file location adjustments

disko may not be required here depending on the fact we are leveraging
lxc containers

configurations/nixos/tofu/default.nix

@@ -1,6 +1,6 @@
 # See /modules/nixos/* for actual settings
 # This file is just *top-level* configuration.
-{ flake, ... }:
+{ flake, modulesPath, ... }:
 
 let
   inherit (flake) inputs;
@@ -9,6 +9,7 @@ in
 {
   imports = [
     self.nixosModules.default
+    "${modulesPath}/virtualisation/lxc-container.nix"
     ./configuration.nix
     ./hardware-configuration.nix
     ./disko.nix