Started addition of favourite system

resources/lang/en/activities.php

@@ -43,6 +43,10 @@ return [
     'bookshelf_delete'                 => 'deleted bookshelf',
     'bookshelf_delete_notification'    => 'Bookshelf Successfully Deleted',
 
+    // Favourites
+    'favourite_add_notification' => '":name" has been added to your favourites',
+    'favourite_remove_notification' => '":name" has been removed from your favourites',
+
     // Other
     'commented_on'                => 'commented on',
     'permissions_update'          => 'updated permissions',

resources/lang/en/common.php

@@ -40,6 +40,8 @@ return [
     'remove' => 'Remove',
     'add' => 'Add',
     'fullscreen' => 'Fullscreen',
+    'favourite' => 'Favourite',
+    'unfavourite' => 'Unfavourite',
 
     // Sort Options
     'sort_options' => 'Sort Options',