feat: 增加首頁評論數顯示

fix: 修復點擊toc後，滾動完toc的highlight在點擊的上一個元素
fix: 修復打賞按鈕Hover的bug close #473
improvement: 友情鏈接界面增加title顯示（top_img設為false時）
improvement: 優化toc顯示，當向上滾動時，導航欄不會遮擋 toc close #472
improvement: 升級facebook comment sdk版本

_config.yml

@@ -266,7 +266,8 @@ comments:
   # lazyload: The comment system will be load when comment element enters the browser's viewport.
   # If you set it to true, the comment count will be invalid
   lazyload: false
-  count: false # Display comment count in top_img
+  count: false # Display comment count in post's top_img
+  card_post_count: false # Display comment count in Home Page
 
 # disqus
 # https://disqus.com/

languages/default.yml

@@ -13,6 +13,8 @@ page:
   category: Category
   archives: Archives
 
+card_post_count: comments
+
 sticky: Sticky
 no_title: No title
 

languages/en.yml

@@ -13,6 +13,8 @@ page:
   category: Category
   archives: Archives
 
+card_post_count: comments
+
 sticky: Sticky
 no_title: No title