Replace node with react custom components

[leonard-henriquez]

I've seen in a issue that someone mention replacing a node with a custom react component (#687)

Is it still a feature of Milkdown?
Is it documented somewhere?

Thanks in advance 🙏 🙂

[ylc395]

Maybe you can see some examples here:

https://github.com/Milkdown/website/blob/ac8a56cbd847995e881cfa0d8d60ec8991e1d1bc/src/component/DocRenderer/HeadingWidget.tsx