feat: 移除 katex copy-tex.css

feat: CDN可配置 cdnjs
feat: cdn可設置 version 和 custom format
feat: 點擊歸檔日期跳轉到頁面，標題顯示日期而不是‘歸檔’二字 closed #925
fix: Algolia搜索沒有結果 closed #923

_config.yml

@@ -843,13 +843,18 @@ inject:
 # 非必要請不要修改
 CDN:
   # The CDN provider of internal scripts (主題內部 js 的 cdn 配置)
-  # option: local/jsdelivr/unpkg
+  # option: local/jsdelivr/unpkg/cdnjs/custom
-  # Dev version cannot choose jsdelivr/unpkg (dev版的主題不能設置為 jsdelivr/unpkg)
+  # Dev version can only choose. ( dev版的主題只能設置為 local )
   internal_provider: local
   # The CDN provider of third party scripts (第三方 js 的 cdn 配置)
-  # option: local/jsdelivr/unpkg
+  # option: local/jsdelivr/unpkg/cdnjs/custom
   # when set it to local, you need to install hexo-butterfly-extjs
   third_party_provider: jsdelivr
+  # Custom format
+  # For example: https://cdn.staticfile.org/${cdnjs_name}/${version}/${min_cdnjs_file}
+  custom_format:
+  # Add version number to CDN, true or false  
+  version: false
   option:
     # main_css:
     # main:
@@ -874,7 +879,6 @@ CDN:
     # mathjax:
     # katex:
     # katex_copytex:
-    # katex_copytex_css:
     # mermaid:
     # canvas_ribbon:
     # canvas_fluttering_ribbon:

layout/includes/header/index.pug

@@ -19,7 +19,7 @@ if !theme.disable_top_img && page.top_img !== false
   if top_img !== false
     - var imgSource = top_img && top_img.indexOf('/') !== -1 ? `background-image: url('${url_for(top_img)}')` : `background: ${top_img}`
     - var bg_img = top_img ? imgSource : ''
-    - var site_title = is_archive() ? fragment_cache('findArchivesTitle', function(){return findArchivesTitle(theme.menu);}) : page.title || page.tag || page.category || config.title
+    - var site_title = is_archive() ? findArchivesTitle(page, theme.menu, date) : page.title || page.tag || page.category || config.title
     - var isHomeClass = is_home() ? 'full_page' : 'not-home-page'
     - is_post() ? isHomeClass = 'post-bg' : isHomeClass
   else

layout/includes/third-party/math/katex.pug

@@ -1,6 +1,5 @@
 link(rel="stylesheet" type="text/css" href=url_for(theme.asset.katex))
 script(src=url_for(theme.asset.katex_copytex))
-link(rel="stylesheet" type="text/css" href=url_for(theme.asset.katex_copytex_css))
 script.
   (() => {
     document.querySelectorAll('#article-container span.katex-display').forEach(item => {