updated modules to work for cloud

modules/virtualization/podman.nix

@@ -4,9 +4,9 @@
   pkgs,
   ...
 }: let
-  cfg = config.containers.podman;
+  cfg = config.podman;
 in {
-  options.containers = {
+  options = {
     podman = {
       enable = lib.mkEnableOption "Podman container runtime";