请求新增GlobalFooter 全局页脚组件

[wsxe9988]

• I have searched the issues of this repository and believe that this is not a duplicate.

What problem does this feature solve?

全局页脚常居中位于页面最底部，承载版权等信息。

What does the proposed API look like?

参考项目:https://www.iviewui.com/components/pro/global-footer

[tangjinzhou]

pro 相关组件都在 https://store.antdv.com/pro/

[github-actions]

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