fix: twikoo 评论区表情包去除灯箱渲染

improvement: 搜索和字数统计两个功能添加相应文档地址注释 (太多新人因为这两报错然后到群里问了)

layout/includes/third-party/comments/twikoo.pug

@@ -9,7 +9,7 @@ script.
         envId: '!{envId}',
         region: '!{region}',
         onCommentLoaded: function () {
-          btf.loadLightbox(document.querySelectorAll('#twikoo .tk-content img:not(.vemoji)'))
+          btf.loadLightbox(document.querySelectorAll('#twikoo .tk-content img:not(.tk-owo-emotion)'))
         }
       }, !{JSON.stringify(option)}))
     }