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

scripts/helpers/page.js

@@ -71,7 +71,13 @@ hexo.extend.helper.register('injectHtml', function (data) {
   return result
 })
 
-hexo.extend.helper.register('findArchivesTitle', function (menu) {
+hexo.extend.helper.register('findArchivesTitle', function (page, menu, date) {
+  if (page.year) {
+    const dateStr = page.month ? `${page.year}-${page.month}` : `${page.year}`
+    const date_format = page.month ? hexo.theme.config.aside.card_archives.format : 'YYYY'
+    return date(dateStr, date_format)
+  }
+
   const defaultTitle = this._p('page.archives')
   if (!menu) return defaultTitle