build(nvidia): add nvidia driver support

systems/modules/nvidia.nix

@@ -0,0 +1,12 @@
+{ pkgs, ... }: {
+  services.xserver.videoDrivers = [ "nvidia" ];
+  hardware.graphics = {
+    enable = true;
+    extraPackages = with pkgs; [
+      # TODO:
+      # opencl
+      nvidia-vaapi-driver # hardware acceleration
+    ];
+  };
+  # FIXME: hardware.nvidia.open = ;
+}

systems/nemesis.nix

@@ -1,11 +1,12 @@
 {
   imports = [
     ./hw-nemesis.nix
-    ./modules/common.nix
-    ./modules/systemd-boot.nix
-    ./modules/locale.nix
-    ./modules/networking.nix
-    ./modules/hyprland.nix
+    ./modules/common.nix # Common options for all systems
+    ./modules/systemd-boot.nix # Systemd-boot as bootloader
+    ./modules/locale.nix # SG locale settings
+    ./modules/networking.nix # Common networking settings
+    ./modules/hyprland.nix # Hyprland compositor
+    ./modules/nvidia.nix # Nvidia settings
   ];
 
   networking.hostName = "nemesis";

users/rafiq/.config/hypr/hyprland.conf

@@ -1,5 +1,14 @@
+# Nvidia Settings
+env = LIBVA_DRIVER_NAME,nvidia
+env = __GLX_VENDOR_LIBRARY_NAME,nvidia
+env = NVD_BACKEND,direct # needed for running vaapi-driver on later drivers
+
+# Monitors
+monitor = HDMI-A-2, 3840x2160@60, 0x0, 2.5
+monitor = DP-4, 1920x1080@60, -1280x0, 1.5
 monitor = , preferred, auto, 1
 
+# Keybinds
 $mainMod = SUPER
 $terminal = kitty
 $browser = firefox