✨ Pinned post & Total vote counts

lib/translations/en_us.dart

@@ -86,6 +86,11 @@ const messagesEnglish = {
   'notifyAllRead': 'Mark all as read',
   'notifyEmpty': 'All notifications read',
   'notifyEmptyCaption': 'It seems like nothing happened recently',
+  'totalUpvote': 'Upvote',
+  'totalDownvote': 'Downvote',
+  'pinPost': 'Pin this post',
+  'unpinPost': 'Unpin this post',
+  'postPinned': 'Pinned',
   'postListNews': 'News',
   'postListShuffle': 'Random',
   'postEditor': 'Create new post',

lib/translations/zh_cn.dart

@@ -80,6 +80,11 @@ const simplifiedChineseMessages = {
   'notifyAllRead': '已读所有通知',
   'notifyEmpty': '通知箱为空',
   'notifyEmptyCaption': '看起来最近没发生什么呢',
+  'totalUpvote': '获顶数',
+  'totalDownvote': '获踩数',
+  'pinPost': '置顶本帖',
+  'unpinPost': '取消置顶本帖',
+  'postPinned': '已置顶',
   'postEditor': '发个帖子',
   'articleEditor': '撰写文章',
   'articleDetail': '文章详情',