Replace pre-commit with prek

[leiserfg]

Have a look at https://github.com/j178/prek is a RiiR of pre-commit so the module does not require api changes.

[domenkozar]

I'd love that! If someone can make a PR we'll test it out :)

[leiserfg]

I'll give it a try after NixOS/nixpkgs#436754 gets merged.

[domenkozar]

Merged!

[leiserfg]

I saw it, this week I'm far from my laptop (visiting Valencia) next week I'll try. Should I replace pre-commit fully or fallback to it if I can't find prek in nixpkgs?

[domenkozar]

We should fallback until nixos stable catches up