add sourcehut as a GIT source

[techsavvyash]

Description

Having first class support for sourcehut might be a good addition to the app.

[mms-gianni]

I've never heard of that before. I'm not sure if it's really used that much.

I am unsure if it provides API endpoints to create webhooks and deployment keys.

These are the API Docs: https://man.sr.ht/git.sr.ht/api.md