🔗 Add "Open in Colab" badges in community tutorials page

[qgallouedec]

What does this PR do?

cc @burtenshaw

Before submitting

• This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
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  Pull Request section?
• Was this discussed/approved via a GitHub issue? Please add a link
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• Did you write any new necessary tests?

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[HuggingFaceDocBuilderDev]

The docs for this PR live here. All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

[burtenshaw]

Looks handy. I double checked all the links and they work.

[qgallouedec]

Thanks! can you approve?