docs(git): add advanced and error

docs/platform/[GitLab][Webhook]不允许本地连接.md

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+
+# [GitLab][Webhook]不允许本地连接
+
+在`gitlab`仓库中设置`Webhook`，使用本地连接出现如下错误:
+
+```
+Url is blocked: Requests to the local network are not allowed
+```
+
+参考:[gitlab使用webhook向jenkins发送请求，报错 Requests to the local network are not allowed](https://blog.csdn.net/xukangkang1hao/article/details/80756085)
+
+登录`root`账户，点击`Configure Gitlab`选项
+
+![](./imgs/configure-gitlab.png)
+
+进入`Settings -> Network`，展开`Outbound requests`，选中`Allow requests to the local network from web hooks and services`
+
+![](./imgs/allow-local-request.png)