Update _sidebar.md

docs/uniCloud/_sidebar.md

@@ -23,13 +23,14 @@
   * [云存储](uniCloud/storage.md)
   * [腾讯云自定义登录](uniCloud/authentication.md)
   * [腾讯云权限管理](uniCloud/policy-tcb.md)
+* [uni-id用户体系](uniCloud/uni-id.md)
 * 扩展能力
-  * [uni-id](uniCloud/uni-id.md)
   * [uniCloud admin](uniCloud/admin.md)
   * [uni-cloud-router](uniCloud/uni-cloud-router.md)
   * [unipay](uniCloud/unipay.md)
   * [发送短信](uniCloud/send-sms.md)
   * [uni一键登录](uniCloud/univerify.md)
+  * [云端一体搜索](https://ext.dcloud.net.cn/plugin?id=3851)
 * [前端网页托管](uniCloud/hosting.md)
 * [日志输出](uniCloud/cf-logger.md)
 * [同时连多服务空间](uniCloud/init.md)