Luca Rinelli

WIP Expose an interface for passing in a function to translate joint values to grasp width

1

These changes should address this comment from @mlautman https://github.com/ros-planning/moveit_grasps/blob/f1d4fdaa7ba2e5e50e1f3841a5d699644fe790ef/src/two_finger_grasp_data.cpp#L125-L128 Making possible for the user to pass a function during the grasp data construction in the demo grasp pipeline setup https://github.com/ros-planning/moveit_grasps/blob/f1d4fdaa7ba2e5e50e1f3841a5d699644fe790ef/src/demo/grasp_pipeline_demo.cpp#L142-L147...