Add syntax highlighting for Nix package manager
Add syntax highlighting for Nix package manager

Based on PHP. It is not ideal yet but much better than nothing.

Somasis/kakoune,alexherbo2/kakoune,lenormf/kakoune,Somasis/kakoune,casimir/kakoune,alexherbo2/kakoune,occivink/kakoune,lenormf/kakoune,danr/kakoune,lenormf/kakoune,danr/kakoune,Somasis/kakoune,danr/kakoune,occivink/kakoune,jkonecny12/kakoune,alexherbo2/kakoune,occivink/kakoune,casimir/kakoune,Somasis/kakoune,mawww/kakoune,mawww/kakoune,jkonecny12/kakoune,alexherbo2/kakoune,occivink/kakoune,jkonecny12/kakoune,casimir/kakoune,casimir/kakoune,mawww/kakoune,danr/kakoune,lenormf/kakoune,jkonecny12/kakoune,mawww/kakoune