Add support for OAuth tokens (#6616)
* Add support for OAuth tokens
* cleaner doc
* add changeset
* format backend
* Apply suggestions from code review
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
* more
* Refactor mocked oauth profile
* fix
* fix
* format
* bump session secret
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Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
