add vulkan layer back

hosts/desktop/home.nix

@@ -1,5 +1,8 @@
-# Matt home.nix
-{ pkgs, ... }: {
+{ pkgs, ... }: 
+let
+  vulkan-hdr-layer = import ./vulkan-hdr-layer.nix { inherit (pkgs) lib stdenv fetchFromGitHub meson pkg-config vulkan-loader ninja writeText vulkan-headers vulkan-utility-libraries jq wayland; libX11 = pkgs.xorg.libX11; libXrandr = pkgs.xorg.libXrandr; libxcb = pkgs.xorg.libxcb; };
+in 
+{
 
   home.username = "matt";
   home.homeDirectory = "/home/matt";
@@ -17,25 +20,6 @@
 
   home.packages = [
     # Other packages
+    vulkan-hdr-layer
   ];
-
-  # custom systemd services
-  # systemd.user.services.fix-wifi = {
-  #   Unit = {
-  #     Description = "Reset wifi adapter so that it works on boot consistently.";
-  #   };
-  #   Install = {
-  #     WantedBy = [ "default.target" ];
-  #   };
-  #   Service = {
-  #     ExecStart = "/home/matt/nix-config/scripts/reset_wifi";
-  #     # ExecStart = "${pkgs.writeShellScript "fix-wifi" ''
-  #     #   #!/usr/bin/env bash
-  #     #   echo 1 | sudo -u root tee /sys/bus/pci/devices/0000\:09\:00.0/reset
-  #     #   sudo rmmod iwlwifi
-  #     #   sudo modprobe iwlwifi
-  #     # ''}";
-  #   };
-  # };
-
-}
+}