update vulkan

modules/hardware/default.nix

@@ -5,5 +5,6 @@
     ./audio.nix
     ./opengl.nix
     ./usb.nix
+    ./vulkan.nix
   ];
 }

modules/hardware/vulkan.nix

@@ -0,0 +1,22 @@
+{ pkgs, ... }:
+
+{
+  hardware.cpu.intel.updateMicrocode = true;
+  environment.systemPackages = with pkgs; [
+    vulkan-tools
+    lib32Mesa
+    lib32VulkanIntel
+  ];
+  nixpkgs.config = {
+    allowUnfree = true;
+    packageOverrides = pkgs: {
+      my32bit = pkgs.buildEnv {
+        name = "my32bit";
+        paths = [
+          pkgs.lib32Mesa
+          pkgs.lib32VulkanIntel
+        ];
+      };
+    };
+  };
+}