doc: Add catalog-info.yaml

[angonz]

Description: Describe in a couple of sentences what this PR adds

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• All reviewers approved
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• Version bumped
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Author concerns: List any concerns about this PR - inelegant
solutions, hacks, quick-and-dirty implementations, concerns about
migrations, etc.

[openedx-webhooks]

Thanks for the pull request, @angonz!

This repository is currently unmaintained.

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[angonz]

Hi @feanil!
I've created my first catalog-info file here. Please let me know if it looks good to you and I'll replicate the change in the other repos.