添加了在header位置的客户端搜索框

Author: zjr71163356

package.json

@@ -12,6 +12,7 @@
   },
   "devDependencies": {
     "@vuepress/client": "2.0.0-beta.66",
+    "@vuepress/plugin-search": "2.0.0-beta.66",
     "vue": "^3.3.4",
     "vuepress": "2.0.0-beta.66",
     "vuepress-theme-hope": "2.0.0-beta.235"