请增加对拟声词的标注支持

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• This template is only for feature request.
• I have thoroughly reviewed the project documentation but couldn't find any relevant information that meets my needs.
• I have searched for existing issues, including closed ones, and found not discussion yet.
• I am using English to submit this issue to facilitate community communication.

1. Is this request related to a challenge you're experiencing? Tell us your story.

我想增加对拟声词的标注支持， 比如[笑声]， [叹气], [咳嗽] 之类的

2. What is your suggested solution?

[]中括号标注

3. Additional context or comments

No response

4. Can you help us with this feature?

• I am interested in contributing to this feature.