begin (possible) module rewrite

hosts/nixdesk/default.nix

@@ -2,6 +2,7 @@
   imports = [
     ./hardware.nix
     ./hibernate-boot.nix
+    ./testing.nix
   ];
 
   networking.hostName = "nixdesk";

hosts/nixdesk/testing.nix

@@ -0,0 +1,11 @@
+{self, ...}: {
+  imports = [
+    self.nixosModules.xun
+  ];
+  xun.gaming = {
+    enable = true;
+    steam.enable = true;
+    gamescope.enable = true;
+    gamemode.enable = true;
+  };
+}