feat: 美化 firefox 瀏覽器滾動條

fix: Utterances 評論區在多個頁面顯示的是同一個評論區
fix: 修復評論配置爲 Livere 和 Facebook Comments 時，最新評論模塊仍然顯示的 bug
improvement: blueimp_md5 CDN 可配置
improvement: timeline 優化
improvement: css優化
improvement: 友情鏈接優化

layout/includes/widget/card_newest_comment.pug

@@ -1,4 +1,4 @@
-if theme.newest_comments.enable
+if theme.newest_comments.enable && !['Livere','Facebook Comments','Giscus'].includes(theme.comments.use[0])
   .card-widget#card-newest-comments
     .item-headline
       i.fas.fa-comment-dots

layout/includes/widget/index.pug

@@ -1,7 +1,7 @@
 #aside-content.aside-content
   //- post
   if is_post()
-    - const tocStyle = page.style_simple
+    - const tocStyle = page.toc_style_simple
     - const tocStyleVal = tocStyle === true || tocStyle === false ? tocStyle : theme.toc.style_simple
     if showToc && tocStyleVal
       .sticky_layout