meta: reorganize nix-os and hosts to single directory nixos

nixos/modules/virtualization.nix

@@ -0,0 +1,18 @@
+
+{ lib, config, pkgs, ... }:
+
+{
+  config = {
+    #virtualisation.waydroid.enable = true;
+    programs.virt-manager.enable = true;
+    virtualisation.libvirtd = {
+      enable = true;
+      qemu.ovmf = {
+        enable = true;
+        packages = [
+          pkgs.OVMFFull.fd
+        ];
+      };
+    };
+  };
+}