feat: Support multi-tenant mode

chore: Renamed start_HuggingFace.py to start_HuggingFace_single_tenant.py

chore: Updated logging and made the script runnable

fix: Use correct namespace in launcher

fixup: Create artifacts repo if needed

fix: For unauthorized user get_user_details returns UserDetails with name=None

fix: For unauthorized user get_user_details return None instead of raising error

feat: Create artifacts repo if needed

Unauthorized users raise HTTP 401 UNAUTHORIZED error

WIP - HuggingFace auth

WIP - HuggingFace launcher

chore: Created huggingface_overlay