added rest of the nixos modules

modules/hardware/nvidia.nix

@@ -0,0 +1,45 @@
+{ ... }:
+{
+  flake.modules.nixos.nvidia = { config, ... }: {
+    services.xserver.videoDrivers = [ "nvidia" ];
+
+    boot.kernelParams = [
+      "nvidia_drm"
+      "nvidia-drm.modeset=1"
+      "fbdev=1"
+    ];
+
+    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+
+      # Currently alpha-quality/buggy, so false is currently the recommended setting.
+      open = false;
+
+      # Enable the Nvidia settings menu,
+      # accessible via `nvidia-settings`.
+      nvidiaSettings = true;
+
+      # Optionally, you may need to select the appropriate driver version for your specific GPU.
+      package = config.boot.kernelPackages.nvidiaPackages.stable;
+    };
+
+  };
+}

modules/hardware/wake_on_lan.nix

@@ -0,0 +1,6 @@
+{ ... }:
+{
+  flake.modules.wake_on_lan = { ... }: {
+    networking.interfaces.enp5s0.wakeOnLan.enable = true;
+  };
+}