Add 'Guide' button to help modal

resources/lang/en/texts.php

@@ -2835,6 +2835,7 @@ $LANG = array(
     'background_image_help' => 'Use the :link to manage your images.',
     'proposal_editor' => 'proposal editor',
     'background' => 'Background',
+    'guide' => 'Guide',
 
 );
 

resources/views/partials/keyboard_shortcuts.blade.php

@@ -124,6 +124,7 @@
 
       <div class="modal-footer">
         <button type="button" class="btn btn-default" data-dismiss="modal">{{ trans('texts.close') }}</button>
+        <a class="btn btn-primary" href="{{ Utils::getDocsUrl(request()->path()) }}" target="_blank">{{ trans('texts.guide') }}</a>
         <a class="btn btn-primary" href="{{ config('ninja.video_urls.all') }}" target="_blank">{{ trans('texts.videos') }}</a>
       </div>
     </div>