Update code to launch two separate RViz windows with KUKA and simple_robot

...wa_bringup/launch/__pycache__/iiwa.launch.cpython-310.pyc

ros2_ws/src/iiwa/iiwa_bringup/launch/iiwa.launch.py

ros2_ws/src/iiwa/iiwa_description/rviz/iiwa.rviz

...ple_robot_1dof/launch/kuka_rviz_simulation_1dof_launch.py

...imple_robot_1dof/rviz/forward_kinematics_simulations.rviz

...ot_1dof/simple_robot_1dof/forward_kinematics_node_1dof.py