Misc improvement of Spaces docs (#443)
Misc improvement of Spaces docs (#443)

* Update spaces docs

* Apply suggestions from code review

Co-authored-by: Steven Liu <1ebe0ee8175e468397de6320df32a9a2952b2711@users.noreply.github.com>

* Final minor changes

Co-authored-by: Steven Liu <1ebe0ee8175e468397de6320df32a9a2952b2711@users.noreply.github.com>
huggingface/huggingface_hub