The "Edit Configuration" button launches an editor on
`~/.config/nixpkgs/overlays/userPackages.nix`, creating it with a
useful template if it doesn't exist. All you have to do is put the
The "Edit Configuration" button launches an editor on
`~/.config/nixpkgs/overlays/userPackages.nix`, creating it with a
useful template if it doesn't exist. All you have to do is put the