added meshcat visualization for goal and current ee position as frames

...on/ur_simple_control/__pycache__/managers.cpython-312.pyc

..._simple_control/basics/__pycache__/basics.cpython-312.pyc

python/ur_simple_control/basics/basics.py

python/ur_simple_control/managers.py

...mple_control/optimal_control/crocoddyl_optimal_control.py

...simple_control/util/__pycache__/get_model.cpython-312.pyc

python/ur_simple_control/util/get_model.py

...e_control/visualize/__pycache__/visualize.cpython-312.pyc

python/ur_simple_control/visualize/visualize.py