Gitea Support

[philbir]

• Support for Gitea https://about.gitea.com/
• Remove unsupported .NET versions

[swisslife-bot]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 2 committers have signed the CLA.

✅ philbir
❌ P7e

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_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[nscheibe]

Well done