fix(nixos): keep palworld server stopped by default

configs/nixos/modules/services/steamcmd.nix

@@ -65,6 +65,12 @@
       default = [ ];
       description = "TCP ports opened for the game service.";
     };
+
+    autoStart = lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+      description = "Start the game service after the guest reaches network readiness.";
+    };
   };
 
   config = lib.mkMerge [
@@ -146,7 +152,7 @@
             description = "Queue ${service.serviceName} game server startup";
             after = [ "network-online.target" ];
             wants = [ "network-online.target" ];
-            wantedBy = [ "multi-user.target" ];
+            wantedBy = lib.mkIf service.autoStart [ "multi-user.target" ];
             serviceConfig = {
               Type = "oneshot";
               ExecStart = "${pkgs.systemd}/bin/systemctl --no-block start ${service.serviceName}.service";