modules/virtualization: add virtualization module

modules/modules/virtualization.nix

@@ -0,0 +1,17 @@
+{ config, lib, pkgs, ... }:
+with lib;
+with lib.hlissner;
+let
+  cfg = config.modules.virtualzation;
+in
+{
+  options.modules.virtualization = {
+    enable = mkBoolOpt false;
+  };
+
+  config = mkIf cfg.enable {
+    virtualisation.libvirtd.enable = true;
+    programs.dconf.enable = true;
+    environment.systemPackages = with pkgs; [ virt-manager ];
+  };
+}