integrate htpc and associated configuration

modules/sys/hw/gpu/amd.nix

@@ -1,3 +1,12 @@
+{ pkgs, ... }:
 {
-    
+  # Graphics
+  hardware.enableRedistributableFirmware = true;
+  hardware.graphics = {
+    enable = true;
+    enable32Bit = true;
+    extraPackages = with pkgs; [
+      vkbasalt
+    ];
+  };
 }

modules/sys/hw/gpu/intel.nix

@@ -14,7 +14,8 @@
       # Optional (compute / tooling):
       intel-compute-runtime  # OpenCL (NEO) + Level Zero for Arc/Xe
       # NOTE: 'intel-ocl' also exists as a legacy package; not recommended for Arc/Xe.
-      # libvdpau-va-gl       # Only if you must run VDPAU-only apps
+      libvdpau-va-gl       # Only if you must run VDPAU-only apps
+      vkbasalt
     ];
   };
 }