nixcfg/homeManagerModules/guiApps/fractal/default.nix

{ pkgs, lib, config, ... }: {

  options = {
    guiApps.fractal.enable =
      lib.mkEnableOption "Enables Fractal Matrix client.";
  };

  config = lib.mkIf config.guiApps.fractal.enable {
    home.packages = with pkgs; [ fractal ];
  };
}