feat: add shiki/prismjs class names to differentiate highlight plugins

[pengzhanbo]

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What is the purpose of this pull request?

• Bug fix
• New feature
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Before

After

[coveralls]

Pull Request Test Coverage Report for Build 9301432327

Details

• 2 of 2 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.02%) to 56.737%

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Totals
Change from base Build 9286705501:	-0.02%
Covered Lines:	1003
Relevant Lines:	1583

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💛 - Coveralls

[Mister-Hope]

Since there is already a shiki class on the pre element, I am thinking whether we could add a data-highlighter="shiki|prismjs" instead? This is unified with data-title and data-ext, and avoid the inconstant behavior that shiki is affecting wrapper and pre while prismjs only affects pre.

[Mister-Hope]

@pengzhanbo need help here, I try to make some tweaks, but some code blocks are having extra line-numbers-mode

[Mister-Hope]

Oh, that should be a bug you introduced in the first commit