Way too massive refactoring

shared/hardware/nvidia.nix

@@ -0,0 +1,17 @@
+{ pkgs, ... }:
+{
+  hardware = {
+    nvidia = {
+      open = true; # Set to false to use the proprietary kernel module
+      forceFullCompositionPipeline = true;
+    };
+
+    graphics = {
+      enable = true;
+      extraPackages = with pkgs; [ nvidia-vaapi-driver ];
+    };
+  };
+
+  services.xserver.videoDrivers = [ "nvidia" ];
+  boot.kernelPackages = pkgs.linuxPackages_xanmod_latest;
+}