Feature/add directory support to Domain and Feature

[benpsnyder]

This is a first attempt and might contain bugs. Need to add some validation and better docs.

[wSedlacek]

I would recommend following Conventional Commits to match the format of the majority of other commits in this repo.

You may consider rebasing or squashing your existing commits in order to reword them.

[cogoo]

Is there anything we/I can do to help with this. In need of this feature 😄

[manfredsteyer]

Thanks for this feature!