add gpu offload

hosts/nb-01.cloonar.com/modules/nvidia.nix

@@ -1,5 +1,4 @@
 {config, lib, pkgs, ...}: {
-  
   hardware.opengl = {
     enable = true;
     driSupport = true;
@@ -9,7 +8,6 @@
   services.xserver.videoDrivers = ["nvidia"];
 
   hardware.nvidia = {
-
     # Modesetting is required.
     modesetting.enable = true;
 
@@ -24,13 +22,17 @@
   };
 
   hardware.nvidia.prime = {
+    offload = {
+			enable = true;
+			enableOffloadCmd = true;
+		};
 		# Make sure to use the correct Bus ID values for your system!
 		amdgpuBusId = "PCI:193:0:0";
 		nvidiaBusId = "PCI:100:0:0";
 	};
 
   specialisation = {
-    gamind.configuration = {
+    gaming.configuration = {
       system.nixos.tags = [ "gaming" ];
       hardware.nvidia = {
         prime.offload.enable = lib.mkForce false;