virtualisation: Add virglrender spice-vdagentd

hosts/miku.nix

@@ -12,7 +12,7 @@ in mkHost config {
     "distributed-build/builder.nix"
     "music"
   ];
-  extraImports = [ "virtualisation/gaming.nix" ];
+  extraImports = [ "virtualisation/gaming.nix" "virtualisation" ];
   fileSystems = {
     "/" = {
       device = "/dev/disk/by-label/root";

modules/virtualisation/default.nix

@@ -0,0 +1,7 @@
+{ pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [ virglrenderer ];
+
+  services.spice-vdagentd.enable = true;
+}