Add dedicated 'games' user account for family gaming

Author: lexun

devices/family-nixos-rog/configuration.nix

@@ -79,4 +79,12 @@
     extraGroups = [ "networkmanager" "users" ];
     initialPassword = "";
   };
+
+  # Dedicated gaming account - all family members use Steam's account switching here
+  users.users.games = {
+    isNormalUser = true;
+    description = "Family Gaming";
+    extraGroups = [ "networkmanager" "users" ];
+    initialPassword = "";
+  };
 }