Docs: Add Search (#2228)

* add search and update depedencies

* refactor documentation workflow to follow best github action best practices

docs/docusaurus.config.js

@@ -54,4 +54,13 @@ module.exports = {
       },
     ],
   ],
+  themes: [
+    [
+      require.resolve("@easyops-cn/docusaurus-search-local"),
+      /** @type {import("@easyops-cn/docusaurus-search-local").PluginOptions} */
+      ({
+        hashed: true,
+      }),
+    ],
+  ],
 };