希望文档维护一个 changelog 和 release notes 的界面，方便查询发布的版本

[zexi]

What would you like to be added:

这个 changelog 的界面是全部 repo 的，比如会包含:

• yunionio/onecloud
• yuninoio/onecloud-operator
• yunionio/dashboard

等 repo 的 changelog

Why is this needed:

[zexi]

已经通过编写工具 https://github.com/yunionio/git-tools 实现，changelog 的页面维护在: https://docs.yunion.io/docs/changelog/
/close

[yunion-ci-robot]

@zexi: Closing this issue.

In response to this:

已经通过编写工具 https://github.com/yunionio/git-tools 实现，changelog 的页面维护在: https://docs.yunion.io/docs/changelog/
/close

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