nixos-config/modules/system/jovian-desktop/default.nix

{ ... }:
{
  jovian.steam = {
    enable = true;
    autoStart = false;
    user = "mo";
    desktopSession = "plasma";
  };
  jovian.hardware.has.amd.gpu = true;
  jovian.hardware.amd.gpu.enableEarlyModesetting = true;
  jovian.steamos.enableBluetoothConfig = true;
}