Add typst-specific inlay hints (heading numberings)

[Myriad-Dreamin]

what do you think about the possibility of having numbering appear as inlay hints? Like in headings and lists and such.

Originally posted at https://discord.com/channels/1054443721975922748/1260973804637786224/1401198077985034272

I had some similar thoughts to implement some typst-specific inlay hints, like showing the labeled content as inlay hints. I think we can explore it if this message is upvoted. I might also create an issue to collect votes.

Please up/down votes (give a 👍 or 👎) to this issue to enable to show "numbering" in editors for headings and lists and such in. Like this:

Also you can leave a comment to ask for other typst-specific inlay hints.

[jassielof]

What about citations and labels?