Nix 💰

To use, set 


          substituters = https://nix-cache.goodbyekansas.com
          trusted-public-keys = nix-cache.goodbyekansas.com:P++8+M0cbVnY58MJ/hyWo4CaA2erkF6oCDqe9VBhMfI=
in 
~/.config/nix/nix.conf