Develop add pr comment (#12747)

* Make unit test more stable.

* update comment。

* update comment。

* change repo to alibaba/nacos.

* 尝试添加评论PR的权限。

* 尝试添加评论PR的权限。

* 尝试添加评论PR的权限。

* comment on pr action by pull_request_target.

* use github.repository variable replace repository

.github/workflows/pr-comment.yml

@@ -0,0 +1,31 @@
+name: "Comment on PR"
+
+on:
+ pull_request_target:
+ types: [opened, reopened]
+
+jobs:
+ thanks-and-hint-to-document:
+ runs-on: ubuntu-20.04
+ permissions:
+ pull-requests: write
+ name: Say thanks for the PR and hint to document
+ steps:
+ - name: comment on the pull request
+ uses: hasura/[email protected]
+ with:
+ github-token: ${{ secrets.GITHUB_TOKEN }}
+ repository: ${{ github.repository }}
+ number: ${{ github.event.number }}
+ id: thanks-and-hint-to-document
+ recreate: true
+ message: |
+ Thanks for your this PR. :pray: 
+ Please check again for your PR changes whether contains any usage/api/configuration change such as `Add new API `, `Add new configuration`, `Change default value of configuration`.
+ If so, please add or update documents(markdown type) in `docs/next/` for repository [nacos-group/nacos-group.github.io](https:/nacos-group/nacos-group.github.io/tree/develop-astro-nacos/src/content/docs/next)
+ 
+ ---
+ 
+ 感谢您提交的PR。 :pray: 
+ 请再次查看您的PR内容，确认是否包含任何使用方式/API/配置参数的变更，如：`新增API`、`新增配置参数`、`修改默认配置`等操作。
+ 如果是，请确保在提交之前，在仓库[nacos-group/nacos-group.github.io](https:/nacos-group/nacos-group.github.io/tree/develop-astro-nacos/src/content/docs/next)中的`docs/next/`目录下添加或更新文档（markdown格式）。