Add nvidia driver to nixy.

nodes/hosts/nixy/configuration.nix

@@ -15,6 +15,7 @@
       ./system/environment.nix
       ./system/filesystems.nix
       ./system/networking.nix
+      ./system/nvidia.nix
     ];
 
   system.stateVersion = "24.11"; # Did you read the comment?

nodes/hosts/nixy/system/nvidia.nix

@@ -0,0 +1,43 @@
+{ config, pkgs, ... }: {
+  # Enable OpenGL
+  hardware.graphics = {
+    enable32Bit = true;
+    enable = true;
+    extraPackages = [
+      pkgs.nvidia-vaapi-driver
+    ];
+  };
+
+  hardware.nvidia = {
+    # Modesetting is required.
+    modesetting.enable = true;
+
+    # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
+    # Enable this if you have graphical corruption issues or application crashes after waking
+    # up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead
+    # of just the bare essentials.
+    powerManagement.enable = false;
+
+    # Fine-grained power management. Turns off GPU when not in use.
+    # Experimental and only works on modern Nvidia GPUs (Turing or newer).
+    powerManagement.finegrained = false;
+
+    # Use the NVidia open source kernel module (not to be confused with the
+    # independent third-party "nouveau" open source driver).
+    # Support is limited to the Turing and later architectures. Full list of
+    # supported GPUs is at:
+    # https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus
+    # Only available from driver 515.43.04+
+    open = false;
+
+    # Enable the Nvidia settings menu,
+    # accessible via `nvidia-settings`.
+    nvidiaSettings = true;
+
+    #forceFullCompositionPipeline = true;
+
+    # Optionally, you may need to select the appropriate driver version for your specific GPU.
+    package = config.boot.kernelPackages.nvidiaPackages.stable;
+  };
+}
+