Add guide on launching background tasks from your app

[freddyaboulton]

Description

Adding a guide on how to run background tasks on a schedule from a gradio app (#2122) and how to synchronize data from gradio to the hub (#2049)

Checklist:

• I have performed a self-review of my own code
• My code follows the style guidelines of this project
• I have commented my code in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[github-actions]

All the demos for this PR have been deployed at https://huggingface.co/spaces/gradio-pr-deploys/pr-2350-all-demos

[abidlabs]

Traveling right now so @dawood would you be able to review this one?

But I just skimmed through the code and this is freaking awesome! Just to confirm @freddyaboulton if the Spaces machine restarts, the background scheduler would restart as well, right?

[abidlabs]

Traveling right now so @dawood would you be able to review this one?

But I just skimmed through the code and this is freaking awesome! Just to confirm @freddyaboulton if the Spaces machine restarts, the background scheduler would restart as well, right?

[dawoodkhan82]

lol sorry @dawood, @abidlabs meant me. But if you want to review as well that'd be cool.

[dawoodkhan82]

Looks great, lgtm!

[freddyaboulton]

Thanks for the review @dawoodkhan82 @abidlabs ! Yep scheduler restarts when the space restarts

[abidlabs]

Whoops sorry @dawood and thank you @dawoodkhan82 and @freddyaboulton!