todo(markdown-remark) Add syntax highlighting support back in via plugins

[apollo-git-bot]

Add syntax highlighting support back in via plugins -- This should not be done via a hardcoded dependency on Shiki, but rather via a plugin system that allows users to choose if they want to use Shiki, Prism, or another syntax highlighter, or nothing at all.

syntaxHighlight = markdownConfigDefaults.syntaxHighlight, shikiConfig = markdownConfigDefaults.shikiConfig,

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studiocms/packages/@studiocms/markdown-remark/src/core/index.ts

Lines 83 to 88 in 262103e

	// TODO: Add syntax highlighting support back in via plugins -- This should not be done via a hardcoded dependency on Shiki, but rather via a plugin system that allows users to choose if they want to use Shiki, Prism, or another syntax highlighter, or nothing at all.
	// syntaxHighlight = markdownConfigDefaults.syntaxHighlight,
	// shikiConfig = markdownConfigDefaults.shikiConfig,
	remarkPlugins = markdownConfigDefaults.remarkPlugins,
	rehypePlugins = markdownConfigDefaults.rehypePlugins,
	remarkRehype: remarkRehypeOptions = markdownConfigDefaults.remarkRehype,

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This issue was generated by todo-issue based on a TODO comment in 262103e.