fix displays and add super tux kart

hardware/zenix.nix

@@ -67,6 +67,8 @@
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
   
+  displays = {
+    enable = true;
     displays = [
       {
         name = "DP-1";
@@ -79,6 +81,7 @@
         wallpaper = "~/Pictures/backgrounds/nier.jpg";
       }
     ];
+  };
   
   hardware.keyboard.zsa.enable = true;
   

lib/modules/gamer.nix

@@ -11,11 +11,11 @@ with lib;
       home.packages = with pkgs; [
         airshipper
         minetest
+        superTuxKart
       ];
     }];
 
     nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
-      # gamer time
       "steam"
       "steam-run"
       "steam-original"