Add deploy_discord to docs

[freddyaboulton]

Description

Oversight on my part from #4960

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Tests

1. PRs will only be merged if tests pass on CI. To run the tests locally, please set up your Gradio environment locally and run the tests: bash scripts/run_all_tests.sh

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[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated (UTC)
gradio	✅ Ready (Inspect)	Visit Preview	Aug 3, 2023 5:02pm

[gradio-pr-bot]

🦄 change detected

This Pull Request includes changes to the following packages.

Package	Version
gradio	minor
gradio_client	minor
website	minor

• Maintainers can select this checkbox to manually select packages to update.

With the following changelog entry.

Add deploy_discord to docs

Maintainers or the PR author can modify the PR title to modify this entry.

Something isn't right?

• Maintainers can change the version label to modify the version bump.
• If the bot has failed to detect any changes, or if this pull request needs to update multiple packages to different versions or requires a more comprehensive changelog entry, maintainers can update the changelog file directly.

[gradio-pr-bot]

All the demos for this PR have been deployed at https://huggingface.co/spaces/gradio-pr-deploys/pr-5076-all-demos

---

You can install the changes in this PR by running:

pip install https://gradio-builds.s3.amazonaws.com/50aa6e97316fa707487524779561b362a59ae266/gradio-3.39.0-py3-none-any.whl

[freddyaboulton]

@aliabd Why doesn't it show up in the vercel preview?

[aliabd]

run python generate_jsons/generate.py from inside js/_website and commit the json files. But make sure you have an editable pip install of gradio and gradio_client

[aliabd]

(hopefully this will be much easier soon)

[aliabd]

LGTM thanks @freddyaboulton! I updated the jsons so it shows up in preview. Will merge