[Feature Request]编辑器语法高亮增强

[AnkioTomas]

Prerequisites

• [X] There isn't an existing issue that requests the same feature, to avoid duplicates.

Clear and concise description of the problem

增强cherry编辑器的语法高亮，例如headers或者自定义的语法，像这样：

Suggested solution

语法高亮有助于减少编写文档过程中的语法错误，cherry目前支持的语法高亮太少了，看久了审美疲劳。

Further Information

No response

Contributing

No, I don't plan to at this time.