Improve about page (#5192)

* add link to documentation

* i18n for documentation

* add target="_blank" for website link

* show environment, if it is not 'production'

* just for admins

* fix

* Update app/i18n/fr/index.php

Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>

* Update app/i18n/en/index.php

Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>

* Update app/views/index/about.phtml

Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>

---------

Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>

22 files changed, 39 insertions, 5 deletions

diff --git a/app/i18n/cz/index.php b/app/i18n/cz/index.php
index dfa00c33c..c2a0089f8 100644
--- a/app/i18n/cz/index.php
+++ b/app/i18n/cz/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Hlášení chyb',
 		'credits' => 'Poděkování',
 		'credits_content' => 'Některé designové prvky pocházejí z <a href="http://twitter.github.io/bootstrap/">Bootstrap</a>, FreshRSS ale tuto platformu nevyužívá. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">Ikony</a> pocházejí z <a href="https://www.gnome.org/">projektu GNOME</a>. Písmo <em>Open Sans</em> vytvořil <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a>. FreshRSS je založeno na PHP framework <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>.',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS je čtečka kanálů RSS určená k provozu na vlastním serveru, podobná <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> nebo <a href="https://github.com/LeedRSS/Leed">Leed</a>. Je to nenáročný a jednoduchý, zároveň ale mocný a konfigurovatelný nástroj.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">na Github</a>',
 		'license' => 'Licence',
diff --git a/app/i18n/de/index.php b/app/i18n/de/index.php
index aa526f725..7946eab5b 100644
--- a/app/i18n/de/index.php
+++ b/app/i18n/de/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Fehlerberichte',
 		'credits' => 'Mitwirkende',
 		'credits_content' => 'Einige Designelemente stammen von <a href="http://twitter.github.io/bootstrap/">Bootstrap</a>, obwohl FreshRSS dieses Framework nicht nutzt. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">Icons</a> stammen vom <a href="https://www.gnome.org/">GNOME project</a>. <em>Open Sans</em> Font wurde von <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a> erstellt. FreshRSS basiert auf <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>, einem PHP-Framework.',
+		'documentation' => 'Handbuch',
 		'freshrss_description' => 'FreshRSS ist ein RSS-Feedsaggregator zum selbst hosten wie zum Beispiel <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> oder <a href="https://github.com/LeedRSS/Leed">Leed</a>. Er ist leicht und einfach zu handhaben und gleichzeitig ein leistungsstarkes und konfigurierbares Werkzeug.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">auf Github</a>',
 		'license' => 'Lizenz',
diff --git a/app/i18n/el/index.php b/app/i18n/el/index.php
index 2db3c3858..113c41681 100644
--- a/app/i18n/el/index.php
+++ b/app/i18n/el/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Bug reports',	// TODO
 		'credits' => 'Credits',	// TODO
 		'credits_content' => 'Some design elements come from <a href="http://twitter.github.io/bootstrap/">Bootstrap</a> although FreshRSS doesn’t use this framework. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">Icons</a> come from the <a href="https://www.gnome.org/">GNOME project</a>. <em>Open Sans</em> font police has been created by <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a>. FreshRSS is based on <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>, a PHP framework.',	// TODO
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS is a self-hostable RSS aggregator and reader. It allows you to read and follow several news websites at a glance without the need to browse from one website to another. FreshRSS is lightweight, configurable, and easy to use.',	// TODO
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">on Github</a>',	// TODO
 		'license' => 'License',	// TODO
diff --git a/app/i18n/en-us/index.php b/app/i18n/en-us/index.php
index 1cb31b10e..4117da470 100644
--- a/app/i18n/en-us/index.php
+++ b/app/i18n/en-us/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Bug reports',	// IGNORE
 		'credits' => 'Credits',	// IGNORE
 		'credits_content' => 'Some design elements come from <a href="http://twitter.github.io/bootstrap/">Bootstrap</a> although FreshRSS doesn’t use this framework. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">Icons</a> come from the <a href="https://www.gnome.org/">GNOME project</a>. <em>Open Sans</em> font police has been created by <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a>. FreshRSS is based on <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>, a PHP framework.',	// IGNORE
+		'documentation' => 'Documentation',	// IGNORE
 		'freshrss_description' => 'FreshRSS is a self-hostable RSS aggregator and reader. It allows you to read and follow several news websites at a glance without the need to browse from one website to another. FreshRSS is lightweight, configurable, and easy to use.',	// IGNORE
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">on Github</a>',	// IGNORE
 		'license' => 'License',	// IGNORE
diff --git a/app/i18n/en/index.php b/app/i18n/en/index.php
index 272dae438..d32a23b1f 100644
--- a/app/i18n/en/index.php
+++ b/app/i18n/en/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Bug reports',
 		'credits' => 'Credits',
 		'credits_content' => 'Some design elements come from <a href="http://twitter.github.io/bootstrap/">Bootstrap</a> although FreshRSS doesn’t use this framework. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">Icons</a> come from the <a href="https://www.gnome.org/">GNOME project</a>. <em>Open Sans</em> font police has been created by <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a>. FreshRSS is based on <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>, a PHP framework.',
+		'documentation' => 'Documentation',
 		'freshrss_description' => 'FreshRSS is a self-hostable RSS aggregator and reader. It allows you to read and follow several news websites at a glance without the need to browse from one website to another. FreshRSS is lightweight, configurable, and easy to use.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">on Github</a>',
 		'license' => 'License',
diff --git a/app/i18n/es/index.php b/app/i18n/es/index.php
index 610f677ed..83222ba92 100644
--- a/app/i18n/es/index.php
+++ b/app/i18n/es/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Informe de fallos',
 		'credits' => 'Créditos',
 		'credits_content' => 'Aunque FreshRSS no usa ese entorno, algunos elementos del diseño están obtenidos de <a href="http://twitter.github.io/bootstrap/">Bootstrap</a>. Los <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">Iconos</a> han sido obtenidos del <a href="https://www.gnome.org/">proyecto GNOME</a>. La fuente <em>Open Sans</em> es una creación de <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a>. FreshRSS usa el entorno PHP <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>.',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS es un agregador de fuentes RSS de alojamiento privado al estilo de <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> o <a href="https://github.com/LeedRSS/Leed">Leed</a>. Es una herramienta potente, pero ligera y fácil de usar y configurar.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">en Github</a>',
 		'license' => 'Licencia',
diff --git a/app/i18n/fr/index.php b/app/i18n/fr/index.php
index d8d4cce10..3cff7be46 100644
--- a/app/i18n/fr/index.php
+++ b/app/i18n/fr/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Rapports de bugs',
 		'credits' => 'Crédits',
 		'credits_content' => 'Des éléments de design sont issus du <a href="http://twitter.github.io/bootstrap/">projet Bootstrap</a> bien que FreshRSS n’utilise pas ce framework. Les <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">icônes</a> sont issues du <a href="https://www.gnome.org/">projet GNOME</a>. La police <em>Open Sans</em> utilisée a été créée par <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a>. FreshRSS repose sur <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>, un framework PHP.',
+		'documentation' => 'Documentation',	// IGNORE
 		'freshrss_description' => 'FreshRSS est un agrégateur de flux RSS à auto-héberger à l’image de <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> ou <a href="https://github.com/LeedRSS/Leed">Leed</a>. Il se veut léger et facile à prendre en main tout en étant un outil puissant et paramétrable.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">sur Github</a>',
 		'license' => 'Licence',
diff --git a/app/i18n/he/index.php b/app/i18n/he/index.php
index 24d4843ec..e1ef9024e 100644
--- a/app/i18n/he/index.php
+++ b/app/i18n/he/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'דיווח באגים',
 		'credits' => 'קרדיטים',
 		'credits_content' => 'מאפייני עיצוב מסויימים הגיעו מ <a href="http://twitter.github.io/bootstrap/">Bootstrap</a> אף על פי ש FreshRSS אינו משתמש בתשתית הזו. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">סמלילים</a> הגיעו מ <a href="https://www.gnome.org/"> פרוייקט GNOME </a>. <em>Open Sans</em> הגופן police נוצר על ידי <a href="https://www.google.com/webfonts/specimen/Open+Sans">Steve Matteson</a>. Favicons נאספים בעזרת <a href="https://getfavicon.appspot.com/">getFavicon API</a>. FreshRSS מבוסס על <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>, תשתית PHP.',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS הוא קורא RSS לאחסון עצמי בדומה ל <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> או <a href="https://github.com/LeedRSS/Leed">Leed</a>. אינו צורך משאבים רבים, וקל לתפעול אך בו בזמן חזק וניתן להתאמה.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">בגיטהאב</a>',
 		'license' => 'רישיון',
diff --git a/app/i18n/id/index.php b/app/i18n/id/index.php
index 757c469a0..b7c9350bc 100644
--- a/app/i18n/id/index.php
+++ b/app/i18n/id/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Bug reports',	// TODO
 		'credits' => 'Credits',	// TODO
 		'credits_content' => 'Some design elements come from <a href="http://twitter.github.io/bootstrap/">Bootstrap</a> although FreshRSS doesn’t use this framework. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">Icons</a> come from the <a href="https://www.gnome.org/">GNOME project</a>. <em>Open Sans</em> font police has been created by <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a>. FreshRSS is based on <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>, a PHP framework.',	// TODO
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS is a self-hostable RSS aggregator and reader. It allows you to read and follow several news websites at a glance without the need to browse from one website to another. FreshRSS is lightweight, configurable, and easy to use.',	// TODO
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">on Github</a>',	// TODO
 		'license' => 'License',	// TODO
diff --git a/app/i18n/it/index.php b/app/i18n/it/index.php
index 172f6e6e4..69bb3b3e7 100644
--- a/app/i18n/it/index.php
+++ b/app/i18n/it/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Bugs',
 		'credits' => 'Crediti',
 		'credits_content' => 'Alcuni elementi di design provengono da <a href="http://twitter.github.io/bootstrap/">Bootstrap</a> sebbene FreshRSS non usi questo framework. Le <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">icone</a> provengono dal progetto <a href="https://www.gnome.org/">GNOME</a>. Il carattere <em>Open Sans</em> è stato creato da <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a>. FreshRSS è basato su <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>, un framework PHP.',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS è un aggregatore di feeds RSS da installare sul proprio host come <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> o <a href="https://github.com/LeedRSS/Leed">Leed</a>. Leggero e facile da mantenere pur essendo molto configurabile e potente.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">su Github</a>',
 		'license' => 'Licenza',
diff --git a/app/i18n/ja/index.php b/app/i18n/ja/index.php
index 77d2bed82..5b696f521 100644
--- a/app/i18n/ja/index.php
+++ b/app/i18n/ja/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'バグレポート',
 		'credits' => 'クレジット',
 		'credits_content' => 'いくつかのデザイン要素は <a href="http://twitter.github.io/bootstrap/">Bootstrap</a>から来ています。しかしFreshRSSはこのフレームワークを使用していません。 <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">アイコン</a> は <a href="https://www.gnome.org/">GNOME プロジェクトから作られています</a>。 <em>Open Sans</em> フォントは <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson によって作成されました</a>。 FreshRSS は<a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>,PHP フレームワークをもとにしています。',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSSは <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> や <a href="https://github.com/LeedRSS/Leed">Leed</a>のようなセルフホストできるRSSフィード収集ツールです。強力なツールになっており、軽量で簡単に使え、豊富な設定が特徴です。',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">Githubへお願いします</a>',
 		'license' => 'ライセンス',
diff --git a/app/i18n/ko/index.php b/app/i18n/ko/index.php
index e31296845..16fd632fc 100644
--- a/app/i18n/ko/index.php
+++ b/app/i18n/ko/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => '버그 제보하기',
 		'credits' => '크레딧',
 		'credits_content' => 'FreshRSS는 <a href="http://twitter.github.io/bootstrap/">Bootstrap</a> 프레임워크를 사용하진 않지만, 일부 디자인 요소를 가져왔습니다. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">아이콘들</a>은 <a href="https://www.gnome.org/">GNOME 프로젝트</a>에서 가져왔습니다. <em>Open Sans</em> 글꼴은 <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a>가 제작하였습니다. FreshRSS는 PHP 프레임워크인 <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>에 기반하고 있습니다.',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS는 <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> 또는 <a href="https://github.com/LeedRSS/Leed">Leed</a>와 같은 셀프 호스팅 기반의 RSS 피드 수집기입니다. FreshRSS는 강력하고 다양한 설정을 할 수 있으면서도 가볍고 사용하기 쉽습니다.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">Github 저장소에 제보</a>',
 		'license' => '라이센스',
diff --git a/app/i18n/nl/index.php b/app/i18n/nl/index.php
index 6a8f9e179..1f9a6fcf9 100644
--- a/app/i18n/nl/index.php
+++ b/app/i18n/nl/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Rapporteer fouten',
 		'credits' => 'Waarderingen',
 		'credits_content' => 'Sommige ontwerp elementen komen van <a href="http://twitter.github.io/bootstrap/">Bootstrap</a> alhoewel FreshRSS dit raamwerk niet gebruikt. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">Pictogrammen</a> komen van het <a href="https://www.gnome.org/">GNOME project</a>. <em>De Open Sans</em> font police is gemaakt door <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a>. FreshRSS is gebaseerd op <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>, een PHP raamwerk. Nederlandse vertaling door Wanabo, <a href="http://www.nieuwskop.be" title="NieuwsKop">NieuwsKop.be</a>. Link naar de Nederlandse vertaling, <a href="https://github.com/Wanabo/FreshRSS-Dutch-translation/tree/master">FreshRSS-Dutch-translation</a>.',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS is een RSS-feed aggregator om zelf te hosten, net als <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> of <a href="https://github.com/LeedRSS/Leed">Leed</a>. Het gebruikt weinig systeembronnen en is makkelijk te beheren terwijl het een krachtig en makkelijk te configureren programma is.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">op Github</a>',
 		'license' => 'Licentie',
diff --git a/app/i18n/oc/index.php b/app/i18n/oc/index.php
index e00033345..07eb3a653 100644
--- a/app/i18n/oc/index.php
+++ b/app/i18n/oc/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Senhalament de problèmas',
 		'credits' => 'Crèdits',
 		'credits_content' => 'Unes elements de l’estil venon del <a href="http://twitter.github.io/bootstrap/">projècte Bootstrap</a> encara que FreshRSS utilize pas aqueste framework. Las <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">icònas</a> venon del <a href="https://www.gnome.org/">projècte GNOME</a>. La polissa <em>Open Sans</em> utilizada foguèt creada per en <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a>. FreshRSS es basat sus <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>, un framework PHP.',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS es un agregador de fluxes RSS per l’auto-albergar tal coma <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> o <a href="https://github.com/LeedRSS/Leed">Leed</a>. Sa tòca es d’èsser leugièr e de bon utilizar de prima abòrd mas tanben d’èsser potent e parametrable.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">sus Github</a>',
 		'license' => 'Licéncia',
diff --git a/app/i18n/pl/index.php b/app/i18n/pl/index.php
index 0a86963c6..139451cf1 100644
--- a/app/i18n/pl/index.php
+++ b/app/i18n/pl/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Zgłaszanie problemów',
 		'credits' => 'Uznanie autorstwa',
 		'credits_content' => 'Niektóre elementy designu pochodzą z <a href="http://twitter.github.io/bootstrap/">Bootstrapa</a>, przy czym FreshRSS nie używa tego frameworku. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">Ikony</a> zostały pierwotnie stworzone dla <a href="https://www.gnome.org/">projektu GNOME</a>. Font <em>Open Sans</em> jest autorstwa <a href="https://fonts.google.com/specimen/Open+Sans">Steve’a Mattesona</a>. FreshRSS opiera się na <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>, frameworku PHP.',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS jest agregatorem kanałów RSS przeznaczonym do zainstalowania na własnym serwerze, podobnie jak <a href="http://tontof.net/kriss/feed/">Kriss Feed</a>, bądź <a href="https://github.com/LeedRSS/Leed">Leed</a>. Jest lekki i łatwy do schowania w kieszeni, pozostając przy tym potężnym i konfigurowalnym narzędziem.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">na Githubie</a>',
 		'license' => 'Licencja',
diff --git a/app/i18n/pt-br/index.php b/app/i18n/pt-br/index.php
index d2dbf0b34..bb38d5d6c 100644
--- a/app/i18n/pt-br/index.php
+++ b/app/i18n/pt-br/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Reportar Bugs',
 		'credits' => 'Créditos',
 		'credits_content' => 'Alguns elementos de design vieram do <a href="http://twitter.github.io/bootstrap/">Bootstrap</a> Embora FreshRRS não utiliza este framework. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">Ícones</a> vieram do <a href="https://www.gnome.org/">GNOME project</a>. <em>Open Sans</em> font police foi criada por <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a>. FreshRSS é baseado no <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>, um framework PHP.',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS é um RSS feeds aggregator para um host próprio como o <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> ou <a href="https://github.com/LeedRSS/Leed">Leed</a>. É leve e fácil de utilizar enquanto é uma ferramenta poderosa e configurável. ',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">no Github</a>',
 		'license' => 'licença',
diff --git a/app/i18n/ru/index.php b/app/i18n/ru/index.php
index f99fedf05..d1ffba4fa 100644
--- a/app/i18n/ru/index.php
+++ b/app/i18n/ru/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Баг репорты',
 		'credits' => 'Авторство',
 		'credits_content' => 'Некоторые элементы дизайна взяты из <a href="http://twitter.github.io/bootstrap/">Bootstrap</a>, хотя FreshRSS не использует этот фреймворк. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">Иконки</a> взяты из <a href="https://www.gnome.org/">проекта GNOME</a>. Шрифт <em>Open Sans</em> создан <a href="https://fonts.google.com/specimen/Open+Sans">Стивом Мэттесоном</a>. FreshRSS основан на <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>, PHP-фреймворке.',
+		'documentation' => 'Документация',
 		'freshrss_description' => 'FreshRSS &mdash; агрегатор RSS-лент для размещения на своём сервере подобно <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> или <a href="https://github.com/LeedRSS/Leed">Leed</a>. Лёгкий и простой в использовании, будучи при этом мощным и настраиваемым инструментом.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">в Github</a>',
 		'license' => 'Лицензия',
diff --git a/app/i18n/sk/index.php b/app/i18n/sk/index.php
index 916fadbc8..9d7406040 100644
--- a/app/i18n/sk/index.php
+++ b/app/i18n/sk/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Nahlásiť chybu',
 		'credits' => 'Poďakovanie',
 		'credits_content' => 'Niektoré časti vzhľadu pochádzajú z <a href="http://twitter.github.io/bootstrap/">Bootstrap</a>u, aj keď FreshRSS tento framework nepoužíva. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">Ikony</a> sú z <a href="https://www.gnome.org/">GNOME project</a>. Font <em>Open Sans</em> zabezpečil <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a>. FreshRSS je založený na PHP frameworku <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>.',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS je čítačka RSS kanálov, ktorú môžete nasadiť na vlastný server podobne ako <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> alebo <a href="https://github.com/LeedRSS/Leed">Leed</a>. Ide o jednoduchý a zároveň dobre nastaviteľný nástroj.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">na Github</a>e',
 		'license' => 'Licencia',
diff --git a/app/i18n/tr/index.php b/app/i18n/tr/index.php
index 4e3f7bdea..e18a381d9 100644
--- a/app/i18n/tr/index.php
+++ b/app/i18n/tr/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => 'Hata raporu',
 		'credits' => 'Tanıtım',
 		'credits_content' => 'Bu frameworkü kullanmamasına rağmen FreshRSS bazı tasarım ögelerini <a href="http://twitter.github.io/bootstrap/">Bootstrap</a> dan almıştır. <a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">İkonlar</a> <a href="https://www.gnome.org/">GNOME projesinden</a> alınmıştır. <em>Open Sans</em> yazı tipi <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a> tarafından oluşturulmuştur. FreshRSS bir PHP framework olan <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a> i temel alır.',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> veya <a href="https://github.com/LeedRSS/Leed">Leed</a> gibi kendi hostunuzda çalışan bir RSS akış toplayıcısıdır. Güçlü ve yapılandırılabilir araçlarıyla basit ve kullanımı kolay bir uygulamadır.',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">Github sayfası</a>',
 		'license' => 'Lisans',
diff --git a/app/i18n/zh-cn/index.php b/app/i18n/zh-cn/index.php
index 59d9ffb87..44eef098a 100644
--- a/app/i18n/zh-cn/index.php
+++ b/app/i18n/zh-cn/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => '报告错误',
 		'credits' => '致谢',
 		'credits_content' => '某些设计元素来自于 <a href="http://twitter.github.io/bootstrap/">Bootstrap</a> ，尽管 FreshRSS 并没有使用此框架。<a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">图标</a> 来自于 <a href="https://www.gnome.org/">GNOME 项目</a>。<em>Open Sans</em> 字体出自 <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a> 之手。FreshRSS 基于 PHP 框架 <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>。',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS 是一个自托管的 RSS 聚合服务，类似于 <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> 或 <a href="https://github.com/LeedRSS/Leed">Leed</a>。 它不仅轻快易用，并且强大又易于配置。',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">Github Issues</a>',
 		'license' => '授权',
diff --git a/app/i18n/zh-tw/index.php b/app/i18n/zh-tw/index.php
index ab5f6a389..996e6acdc 100644
--- a/app/i18n/zh-tw/index.php
+++ b/app/i18n/zh-tw/index.php
@@ -17,6 +17,7 @@ return array(
 		'bugs_reports' => '報告錯誤',
 		'credits' => '致謝',
 		'credits_content' => '某些設計元素來自於 <a href="http://twitter.github.io/bootstrap/">Bootstrap</a> ，盡管 FreshRSS 並沒有使用此框架。<a href="https://gitlab.gnome.org/Archive/gnome-icon-theme-symbolic">圖標</a> 來自於 <a href="https://www.gnome.org/">GNOME 項目</a>。<em>Open Sans</em> 字體出自 <a href="https://fonts.google.com/specimen/Open+Sans">Steve Matteson</a> 之手。FreshRSS 基于 PHP 框架 <a href="https://framagit.org/marienfressinaud/MINZ">Minz</a>。',
+		'documentation' => 'Documentation',	// TODO
 		'freshrss_description' => 'FreshRSS 是一個自托管的 RSS 聚合服務，類似於 <a href="http://tontof.net/kriss/feed/">Kriss Feed</a> 或 <a href="https://github.com/LeedRSS/Leed">Leed</a>。 它不僅輕快又易用，而且強大又易於配置。',
 		'github' => '<a href="https://github.com/FreshRSS/FreshRSS/issues">Github Issues</a>',
 		'license' => '授權',
diff --git a/app/views/index/about.phtml b/app/views/index/about.phtml
index e25e9a119..138791de1 100644
--- a/app/views/index/about.phtml
+++ b/app/views/index/about.phtml
@@ -16,7 +16,10 @@
 	<p><?= _t('index.about.freshrss_description') ?></p>
 
 	<h2><?= _t('index.about.project_website') ?></h2>
-	<a href="<?= FRESHRSS_WEBSITE ?>"><?= FRESHRSS_WEBSITE ?></a>
+	<a href="<?= FRESHRSS_WEBSITE ?>" target="_blank"><?= FRESHRSS_WEBSITE ?></a>
+
+	<h2><?= _t('index.about.documentation') ?></h2>
+	<a href="<?= FRESHRSS_WIKI ?>" target="_blank"><?= FRESHRSS_WIKI ?></a>
 
 	<h2><?= _t('index.about.bugs_reports') ?></h2>
 	<?= _t('index.about.github') ?>
@@ -24,10 +27,20 @@
 	<h2><?= _t('index.about.license') ?></h2>
 	<?= _t('index.about.agpl3') ?>
 
-	<?php if (FreshRSS_Auth::hasAccess()): ?>
-	<h2><?= _t('index.about.version') ?></h2>
-	<?= FRESHRSS_VERSION ?>
-	<?php endif; ?>
+	<?php
+	if (FreshRSS_Auth::hasAccess()) { ?>
+		<h2><?= _t('index.about.version') ?></h2>
+		<?= FRESHRSS_VERSION ?>
+
+		<?php
+		$env = FreshRSS_Context::$system_conf->environment;
+		if ($env !== 'production' && FreshRSS_Context::$user_conf->is_admin) { ?>
+			<h2>data/config.php</h2>
+			<code>'environment' => '<?= $env; ?>'</code><br />
+			<?php
+		}
+	}
+	?>
 
 	<h2><?= _t('index.about.credits') ?></h2>
 	<p><?= _t('index.about.credits_content') ?></p>