feat: highlight hex codes with the color

[calebdw]

Hello!

It would be awesome if colors were highlighted so it's very easy to tell what they are:

Here's an example from neovim:

Thanks!

[rekram1-node]

[automated] Closing due to 90+ days of inactivity. Feel free to reopen if you still need this!

[calebdw]

I still think this would be good to have @rekram1-node

[rekram1-node]

sounds good, I think this is lower on our list but if someone wants to pr it

[calebdw]

Here's the library that I use on nvim for reference: https://github.com/catgoose/nvim-colorizer.lua

[mdkulkarni2005]

is that still open or not

[LionChenA]

I'd like to work on this issue. @rekram1-node