feat: upgrade to gpt-vis

[hustcc]

Description

Use gpt-vis to render the content returned by the model, and define a markdown output protocol to support various visual charts for presentation.

How Has This Been Tested?

Manually test all markdown output and page rendering by gpt-vis.

Snapshots:

Include snapshots for easier review.

Checklist:

• My code follows the style guidelines of this project
• I have already rebased the commits and make the commit message conform to the project standard.
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• Any dependent changes have been merged and published in downstream modules

GPT-VIS

• MarkdownVis -> GPTVis.
• .less file.
• type define error.
• rehypePlugins props etc.
• defaultRenderer for code.

[csunny]

LGTM

[hustcc]

还需要测试，暂时不要合并。