This method configures a pin for servo operation. The servo angle is set by using analog_write().
        :param command: {"method": "servo_config", "params": [PIN, MINIMUM_PULSE(ms), MAXIMUM_PULSE(ms)]}
        :returns:No message returned.

async def servo_config(self, command):
        """
        This method configures a pin for servo operation. The servo angle is set by using analog_write().
        :param command: {"method": "servo_config", "params": [PIN, MINIMUM_PULSE(ms), MAXIMUM_PULSE(ms)]}
        :returns:No message returned.
        """
        pin = int(command[0])
        min_pulse = int(command[1])
        max_pulse = int(command[2])
        await self.core.servo_config(pin, min_pulse, max_pulse)