nixos-config/modules/core/xserver.nix

{ username, ... }:
{
  #services = {
  #  xserver = {
  #    enable = true;
  #    xkb.layout = "us";
  #    displayManager.lightdm.greeters.slick.enable = true;
  #    #displayManager.lightdm.greeters.mini = {
  #    #  enable = true;
  #    #  user = "liv";
  #    #  extraConfig = ''
  #    #      [greeter]
  #    #      show-password-label = false
  #    #      [greeter-theme]
  #    #      background-image = "/home/liv/Pictures/wallpapers/others/anime-sky-lonely.png"
  #    #  '';
  #    #};
  #  };
  #};
}