Removes TravisCI in favor of GitHub workflows and adds GoReleaser (#116)

* remove travis in favor of github workflows

* adjust release repository name

* Update .github/workflows/build.yml

Co-Authored-By: Wolfgang Welz <welzwo@gmail.com>

* Update .github/workflows/build.yml

Co-Authored-By: Wolfgang Welz <welzwo@gmail.com>

* Update .github/workflows/release.yml

Co-Authored-By: Wolfgang Welz <welzwo@gmail.com>

* changes according to Wolfgang's review

* removes id from step in test.yml

* only run twice up on PR open

* Update .github/workflows/test.yml

Co-Authored-By: Wolfgang Welz <welzwo@gmail.com>

Co-authored-by: Wolfgang Welz <welzwo@gmail.com>