in the middle of refactoring drawing demo

examples/cart_pulling/todos.toml

examples/drawing/drawing_from_input_drawing.py

examples/drawing/find_marker_offset.py

examples/drawing/get_marker.py

examples/drawing/parameters/plane_pose.pickle_save

examples/drawing/parameters/wiping_path.csv_save

examples/drawing/utils.py

python/smc/control/cartesian_space/__init__.py

python/smc/control/dmp/dmp.py

python/smc/robots/abstract_robotmanager.py

python/smc/util/calib_board_hacks.py