[ForceTorqueMonitoring] Adds Force Torque Monitoring for the real robot

[LucaKro]

Test out as follows:

with simulated_robot:
    fts = ForceTorqueSensor("pr2")
    rospy.sleep(3)  # Give a short time to make sure arrives
    plan = Code(lambda: rospy.sleep(1)) * 999999 >> Monitor(fts.human_touch_monitoring)

    plan.perform()

    print("Detected")