feat: add plugin-markdown-chart

[Mister-Hope]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 11458849266

Details

• 103 of 104 (99.04%) changed or added relevant lines in 5 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+2.0%) to 59.74%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
plugins/markdown/plugin-markdown-chart/src/node/markdown-it-plugins/mermaid.ts	19	20	95.0%

Totals
Change from base Build 11445244285:	2.0%
Covered Lines:	1276
Relevant Lines:	1924

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💛 - Coveralls

[Mister-Hope]

@pengzhanbo I have some issues with katex in markmap, helps would be appreciated.

[pengzhanbo]

I have some issues with katex in markmap, helps would be appreciated.

I haven't used markmap before. I read its documentation and the code of the Markmap component in the plugin, and I did not find any obvious issues. However, I noticed that markmap-view depends on d3, and I'm not sure if that has any impact. Perhaps we can refer to markmap-autoloader to adjust the loading logic of the markmap component.