Support Gitea

Gitea Support (#381)

* Add Gitea Repository Type

* Update Readme with gitea configs

* Add Gitea Configs and createGiteaRepo function

* copied test from gitlab, changed values/variable

* Prettified Code!

* Update README.md

* update test configs

* bug fix

* add release gitea.json for testing

* rename

* append mockedersponses

* test

* update readme

* style update

* style update

Co-authored-by: phillopp <phillopp@users.noreply.github.com>