Add Hook0 to Streaming & Messaging

[FGRibreau]

Summary

• Adds Hook0 to App Definition and Development > Streaming & Messaging
• Hook0 is an open-source webhooks-as-a-service platform built in Rust
• 1,400+ GitHub stars
• Website: https://www.hook0.com
• Repo: https://github.com/hook0/hook0
• License: SSPL-1.0

Checklist

• 300+ GitHub stars
• Existing category (Streaming & Messaging)
• SVG logo in hosted_logos/
• Crunchbase data available

[github-actions]

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Note

This feature is still experimental and may not work as expected in some cases. Please report any issues you find!

[caniszczyk]

re-submit with DCO affirmation (e.g., git commit -s)

[FGRibreau]

Re-submitted with DCO sign-off (git commit -s) as requested, @caniszczyk: #5001. DCO check is green there.