Expose the built-in markdown parser to render markdown-valued variables with

[aentwist]

Is your feature request related to a problem? Please describe.

My CMS stores markdown values in frontmatter data. For example, an intro section intro with a markdown string value. Currently, trying to access it in the page with {{ $frontmatter.intro }} just renders it as a string (a direct result of the markdown -> Vue -> HTML pipeline). What is the recommended way to call the markdown parser on it?

Describe the solution you'd like

It would be nice to see this exposed somehow (getting the built-in markdown-it instance, for example).

Describe alternatives you've considered

I could install markdown-it separately and use it that way?

Additional context

No response

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