add: more system modules

system/profiles/nvidia/default.nix

@@ -0,0 +1,29 @@
+{ lib, config, pkgs, ... }:
+
+let
+  cfg = config.systemProfile.nvidia;
+  production = config.boot.kernelPackages.nvidiaPackages.production;
+in
+
+{
+  config = lib.mkIf cfg.enable {
+    harware.nvidia = {
+      open = true;
+      package = production;
+      modesetting.enable = true;
+      nvidiaSettings = true;
+      powerManagement.enable = false;
+    };
+    services.xserver.videoDrivers = [ "nvidia" ];
+    environment.sessionVariables = {
+      LIBVA_DRIVER_NAME = "nvidia";
+    };
+    environment.systemPackages = with pkgs; [
+      vulkan-loader
+      vulkan-validation-layers
+      vulkan-tools
+    ];
+  };
+
+  
+}