I want to bring up a new Tor relay and ensure it runs only as a middle relay. Is there anything I should configure (or avoid configuring) to make sure the relay is will be used for middle position after its lifetime and avoiding Guard role: Is there any supported way to prevent (or at least reduce the chance) of receiving the Guard flag so the relay functions strictly as a middle hop with increase selection probability or anything that could increase the chances? Or is the correct answer simp...