🧐[问题]ProLayout-高级布局的文档里没有提现childrenRender的使用方法，建议完善开发文档

提问前先看看：

https://github.com/ryanhanwu/How-To-Ask-Questions-The-Smart-Way/blob/main/README-zh_CN.md

### 🧐 问题描述

ProLayout-高级布局的文档里没有提现childrenRender的使用方法，建议完善开发文档https://procomponents.ant.design/components/layout#prolayout
### 💻 示例代码

### 🚑 其他信息

Open the linked ProLayout documentation and locate the section for childrenRender. Read the surrounding API description and existing examples, then document how childrenRender is used; the work is done when a reader can understand and apply it from the page without needing the issue discussion.

Written by the indexing model from the issue text.