Added support for hil_serl classifier to be trained with train.py run classifier training by python lerobot/scripts/train.py --policy.type=hilserl_classifier fixes in find_joint_limits, control_robot, end_effector_control_utils
Added support for hil_serl classifier to be trained with train.py run classifier training by python lerobot/scripts/train.py --policy.type=hilserl_classifier fixes in find_joint_limits, control_robot, end_effector_control_utils