Add trusted publishing

[flying-sheep]

Is your feature request related to a problem? Please describe.
With trusted publishing, releases become much more easy because all you do is use GitHub’s UI to make a release from a tag/commit

Describe the solution you'd like
Follow this tutorial: https://docs.pypi.org/trusted-publishers/

TODO

• add pypi deploy environment (settings)
• add workflow (Add trusted publishing workflow #151)
• add publisher to PyPI project (tutorial, settings)