Automatic Conformity Checks

[JulianFrattini]

Once #1 is solved, run the Pytest conformity checks automatically using GitHub Actions. This entails:

• Introducing a GitHub action that automatically executes all conformity checks when opening a PR onto the main branch.
• Protecting the main branch to enforce the use of a PR when contributing to the repository.

[JulianFrattini]

Use the official GitHub documentation on testing Python and the CiRA example for inspiration.