Beginner’s Guide has no explicit Code of Conduct or Terms of Service. You’re here because you’ve been explicitly invited on the basis of trust. If you significantly break said trust, your invitation will be rescinded, regardless of whether you broke an explicit rule or not.

That said, it still makes sense to write some general guidelines. This allows external actors to understand what kind of community this is, as well as act as a guiding principle for your idea of acceptable behavior.