added option to create private repo (#319)
added option to create private repo (#319)

* added option to create private repo

* added repo_visibility to class

* changed to use private

* Update src/huggingface_hub/repository.py

Co-authored-by: Lysandre Debut <52471e9cd710b379d379586be3b2a4789b67f916@huggingface.co>

* changed error message and made private bool and false

Co-authored-by: Lysandre Debut <52471e9cd710b379d379586be3b2a4789b67f916@huggingface.co>
huggingface/huggingface_hub