improvements: 代碼名全大寫

improvements: 補全card-categories和card-archives的 '查看更多‘鏈接 close #337
fix: 修復comments沒設置時，報Unexpected token ')'的bugs close #344
improvements: 優化js和html
fix: 修復toc 滾動百分比不準的Bugs

layout/includes/third-party/newest-comments/disqus-comment.pug

@@ -43,7 +43,7 @@ script.
         
         result += `<div class='content'>
         <a class='comment' href='${array[i].url}'>${array[i].content}</a>
-        <div class='name'><span>${array[i].nick}</span><time> / ${diffDate(array[i].date, true)}</time></div>
+        <div class='name'><span>${array[i].nick}</span><time> / ${btf.diffDate(array[i].date, true)}</time></div>
         </div></div>`
       }