breaking changes: 移除 subtitle 一句網調用（api 已失效)

feat: 右下角按鈕增加預覽進度顯示
feat: toc可設置是否顯示預覽進度
fix: 修復 TypeError: require(...) is not a function 的報錯 #1102
improvement: 日期設置相對日期時，文章的日期格式和最新評論的日期格式統一為 年月日

_config.yml

@@ -185,6 +185,7 @@ toc:
   number: true
   expand: false
   style_simple: false # for post
+  scroll_percent: true
 
 post_copyright:
   enable: true
@@ -632,8 +633,7 @@ subtitle:
   # source 調用第三方服務
   # source: false 關閉調用
   # source: 1  調用一言網的一句話（簡體） https://hitokoto.cn/
-  # source: 2  調用一句網（簡體） http://yijuzhan.com/
-  # source: 3  調用今日詩詞（簡體） https://www.jinrishici.com/
+  # source: 2  調用今日詩詞（簡體） https://www.jinrishici.com/
   # subtitle 會先顯示 source , 再顯示 sub 的內容
   source: false
   # 如果關閉打字效果，subtitle 只會顯示 sub 的第一行文字
@@ -753,6 +753,9 @@ darkmode:
   # autoChangeMode: false
   autoChangeMode: false
 
+# show scroll percent in scroll-to-top button
+rightside_scroll_percent: false
+
 # Don't modify the following settings unless you know how they work (非必要請不要修改 )
 # Choose: readmode,translate,darkmode,hideAside,toc,chat,comment
 # Don't repeat 不要重複
@@ -894,7 +897,7 @@ CDN:
   # when set it to local, you need to install hexo-butterfly-extjs
   third_party_provider: jsdelivr
 
-  # Add version number to CDN, true or false  
+  # Add version number to CDN, true or false
   version: false
 
   # Custom format
@@ -952,4 +955,4 @@ CDN:
     # prismjs_lineNumber_js:
     # prismjs_autoloader:
     # artalk_js:
-    # artalk_css:
+    # artalk_css:

layout/includes/head/config.pug

@@ -120,5 +120,9 @@ script.
     },
     isPhotoFigcaption: !{theme.photofigcaption},
     islazyload: !{theme.lazyload.enable},
-    isAnchor: !{theme.anchor.auto_update || false}
+    isAnchor: !{theme.anchor.auto_update || false},
+    percent: {
+      toc: !{theme.toc.scroll_percent},
+      rightside: !{theme.rightside_scroll_percent},
+    }
   }

layout/includes/rightside.pug

@@ -57,4 +57,5 @@ mixin rightsideItem(array)
       +rightsideItem(showArray)
 
     button#go-up(type="button" title=_p("rightside.back_to_top"))
+      span.scroll-percent
       i.fas.fa-arrow-up