Fixes #682: Replace to-style with style-to-object dependency

[pedrolamas]

This fixes any CSS parsing issues shown in to-style by using a proper parser

[vercel]

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[johno]

Thanks for opening up a PR! 🕺 🙏

I'm wondering if this would be best achieved as an optional plugin since postcss is a pretty big dependency for something we don't expect to encounter very often 🤔. If we ran it at the rehype stage (as an optional plugin) we'd be able to properly convert the style strings.

Also, have you given style-to-object a try? It might be more robust and is what hast-to-hyperscript uses.

[pedrolamas]

No proble, I'll take a look into style-to-object! To be fair, something else was already referencing postcss in my repo, hence why I choose to go with that!

[johno]

Wonderful, thanks for taking a look! Feel free to report back if you hit any bumpy spots.

[pedrolamas]

@johno it's done! But I had to take a dependency on camelcase-css to ensure we convert the CSS properties to their correct javascript/jsx names