nix machine / user configurations
1{ 2 nix.settings = { 3 substituters = [ "https://nix-community.cachix.org" ]; 4 trusted-public-keys = [ "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=" ]; 5 }; 6}