Clarify why "imperative code using refs should be avoided in most cases."

The docs for useImperitiveHandle state

useImperativeHandle customizes the instance value that is exposed to parent components when using ref. As always, imperative code using refs should be avoided in most cases. useImperativeHandle should be used with forwardRef

I'm wondering why imperative code using refs should be avoided, perhaps this is something that could be added to the docs?

从 content/docs/hooks-reference.md 中的 useImperativeHandle 部分开始，尤其关注关于避免使用 refs 编写命令式代码的表述。确定缺少哪些解释，以及这些解释如何与周围的文档相契合。当文档清楚地解释这一指导的原因，同时不改变 API 建议时，即表示完成。