I don't, but there's this one. It's ok, but only has one color for all headings.

I'm sure it can be edited though.

https://github.com/kaarmu/typst.vim

Also ... you're going to need to export two environmental variables TYPST_ROOT and TYPST_FONT_PATH.

typst will use the root set as a relative path. If you want it absolutely, just set it to root.