Create urdf file of simple_robot and update 1 dof launch file

ros2_ws/.vscode/c_cpp_properties.json

ros2_ws/.vscode/settings.json

...ple_robot_1dof/launch/kuka_rviz_simulation_1dof_launch.py

ros2_ws/src/simple_robot_1dof/package.xml

.../rviz/forward_kinematics_simulations.rviz:Zone.Identifier

ros2_ws/src/simple_robot_1dof/rviz/urdf.rviz

ros2_ws/src/simple_robot_1dof/setup.py

...ot_1dof/simple_robot_1dof/forward_kinematics_node_1dof.py

ros2_ws/src/simple_robot_1dof/urdf/simple_robot.urdf