Args:
ui (`gradio.Blocks`, optional):
A Gradio UI instance to be used as the Space landing page. If `None`, a UI displaying instructions
about the configured webhooks is created.
webhook_secret (`str`, optional):
A secret key to verify incoming webhook requests. You can set this value to any secret you want as long as
you also configure it in your [webhooks settings panel](https://huggingface.co/settings/webhooks). You