[Feature] EventMesh on openEuler

### Search before asking

- [X] I had searched in the [issues](https://github.com/apache/eventmesh/issues?q=is%3Aissue) and found no similar issues.

### Feature Request

We plan to host EventMesh on openEuler。

openEuler主要包括两个代码仓库：

代码仓: https://gitee.com/openeuler
软件包仓: https://gitee.com/src-openeuler
openEuler主要用于存放源码类项目。
src-openeuler主要用于存放制作发布件所需的软件包。

Here are for reference:

https://gitee.com/openeuler/community/blob/master/zh/contributors/packaging.md

EUR(openEuler User Repo)：

https://our.openeuler.openatom.cn/

如何使用EUR（博客）：

https://www.openeuler.org/zh/blog/waaagh/openEuler-user-repo-howto.html

如何使用openEuler用户仓（视频）：

https://b23.tv/sKHjKUU

### Are you willing to submit PR?

- [ ] Yes I am willing to submit a PR!

Start by reading the linked openEuler packaging guide and the EUR usage references to understand the proposed hosting and packaging paths. The issue names no EventMesh files, tests, or entry points; the work is not ready to start until the required repository changes and a verifiable openEuler hosting or packaging outcome are defined.

Written by the indexing model from the issue text.