A documentation section has been added to the admin panel.

app/application/lang/en/admin-sections.php

@@ -13,4 +13,7 @@ return [
     'Links project' => 'Links from the project',
     'Translations' => 'Translations',
     'Feedback' => 'Feedback',
+    'Documentation version' => 'Documentation version',
+    'Documentation' => 'Documentation',
+    'Categories' => 'Categories',
 ];

app/application/lang/en/permissions.php

@@ -17,4 +17,6 @@ return [
     'ProjectLink'    => 'Links from the project',
     'ProjectTranslation' => 'Translations',
     'ProjectFeedback'    => 'Feedback',
+    'Documentation'      => 'Documentation',
+    'DocumentationCategory' => 'Documentation category',
 ];

app/application/lang/en/validation.php

@@ -151,6 +151,8 @@ return [
     'no_type'              => 'The :attribute can only use: :type.',
     'captcha'              => 'Failed to pass human verification.',
     'http_host'            => 'The :attribute must be a valid domain.',
+    'parent'               => 'A parent cannot refer to itself.',
+    'parent_cycle_detected' => 'Category ID occurs in the parent chain.',
     'attributes'           => [
         'address'                  => 'address',
         'affiliate_url'            => 'affiliate URL',
@@ -301,5 +303,9 @@ return [
         'translations'             => 'translations',
         'translations.*.code'      => 'translations code',
         'translations.*.text'      => 'translations',
+        'parent_id'                => 'parent',
+        'content.*.title'          => 'title',
+        'content.*.content'        => 'content',
+        'category_id'              => 'category',
     ],
 ];

app/application/lang/en/version-status.php

@@ -0,0 +1,7 @@
+<?php
+return [
+    'NotSupported'   => 'Not Supported',
+    'Supported'      => 'Supported',
+    'CurrentVersion' => 'Current version',
+    'FutureVersion'  => 'Future version',
+];