Refactor:

- Support for module features
- Remove kubenix.module and rather use explicit modules
- Make tests framework independent of k8s module
- Remove metacontroller submodule, which will go to kubenix-modules
- Improved submodule propagation and passthru
- Added additional test for k8s-submodule

examples/nginx-deployment/module.nix

@@ -5,7 +5,7 @@ with lib;
 let
   nginx = pkgs.callPackage ./image.nix { };
 in {
-  imports = [ kubenix.module ];
+  imports = with kubenix.modules; [ k8s docker ];
 
   docker.images.nginx.image = nginx;