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

source/css/_highlight/highlight.styl

@@ -123,7 +123,7 @@ blockquote
     .code-lang
       position: absolute
       left: .7rem
-      text-transform: capitalize
+      text-transform: uppercase
       font-weight: bold
       font-size: 1.15em
 

source/css/_highlight/highlight/diff.styl

@@ -1,4 +1,3 @@
-// For diff highlight
 figure.highlight
   table
     &::-webkit-scrollbar-thumb

source/css/_highlight/theme.styl

@@ -116,3 +116,4 @@ if $highlight_theme == false
     color: $highlight-foreground,
     bg-color: darken($highlight-background, 5)
   }
+  $highlight-scrollbar = darken($highlight-background, 8)