Support Splitter Component

[doraemonxxx]

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

What problem does this feature solve?

Great UI for all

What does the proposed API look like?

like in ant-design 5.x (please see https://ant.design/components/splitter)

Re-opening feature request #7906 and all related issues

[tujianglin]

https://tujianglin.github.io/antd-docs/, 我这个有