Add missing translations

extensions/mentions/js/forum/src/main.js

@@ -34,12 +34,13 @@ app.initializers.add('mentions', function() {
     items.add('postMentioned', {
       name: 'postMentioned',
       icon: 'reply',
-      label: 'Someone replies to my post'
+      label: app.trans('mentions.notify_post_mentioned')
     });
+
     items.add('userMentioned', {
       name: 'userMentioned',
       icon: 'at',
-      label: 'Someone mentions me in a post'
+      label: app.trans('mentions.notify_user_mentioned')
     });
   });
 });

extensions/mentions/locale/en.yml

@@ -6,3 +6,5 @@ mentions:
   post_mentioned_by: "{users} replied to this."
   you: You
   reply_link: Reply
+  notify_post_mentioned: Someone replies to my post
+  notify_user_mentioned: Someone mentions me in a post

extensions/mentions/src/Listeners/AddClientAssets.php

@@ -33,7 +33,9 @@ class AddClientAssets
             'mentions.user_mentioned_notification',
             'mentions.post_mentioned_by',
             'mentions.you',
-            'mentions.reply_link'
+            'mentions.reply_link',
+            'mentions.notify_post_mentioned',
+            'mentions.notify_user_mentioned'
         ]);
     }
 }