[gaming] Add an emulation suboption

machines/boxy/configuration.nix

@@ -17,7 +17,7 @@ with lib;
     bluetooth.enable = true;
     desktop = {
       enable = true;
-      gaming = true;
+      gaming.enable = true;
       kde = true;
       sddm = true;
       wayland = true;

machines/nix-book/configuration.nix

@@ -15,7 +15,7 @@
     desktop = {
       enable = true;
       wayland = true;
-      gaming = false;
+      gaming.enable = false;
       kde = true;
       sddm = true;
     };

machines/zix790prors/configuration.nix

@@ -17,11 +17,15 @@ with lib;
     bluetooth.enable = true;
     desktop = {
       enable = true;
-      gaming = true;
+      gaming = {
+        enable = true;
+        emulation = true;
+      };
       kde = true;
       sddm = true;
       wayland = true;
     };
+    nfs-mounts.enable = true;
     users.enable = true;
     virtualisation.enable = true;
   };
@@ -82,4 +86,4 @@ with lib;
   # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
   system.stateVersion = "25.11"; # Did you read the comment?
 
-}
+}