Add better markdown support for response data, including scrollable frame

[ravut8]

Description

Currently, on Vitepress, the way to provide response data, it either shows all at once or collapse so users need to open the section.

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Why is this feature needed? Is there a problem that you faced?

1. For collapse frame: It can be non user-friendly to click
2. For expand frame: For long samples, this can make the documentation looks weird.

What is the solution you have in mind?

Add an extension to the md support to provide a scrollable frame for response data.