Add pour_cup_hold_abs_ee (2s lift-hold, abs-EE 22D action, wrist-fixed)

README: abs_ee variant

cup_hang_abs_ee: absolute EE pose (6D rotation) actions

pour_cup_abs_ee: absolute EE pose (6D rotation) actions

grasp_pan_abs_ee: absolute EE pose (6D rotation) actions

README

cup_hang_ee: delta-EE arm actions + absolute hand targets (eefix)

pour_cup_ee: delta-EE arm actions + absolute hand targets (eefix)

grasp_pan_ee: delta-EE arm actions + absolute hand targets (eefix)

Rename pour_cup_clean -> _pour_cup_clean_broken (mark as problematic version)

README

pour_cup: joint-space arm actions (fixed)

README: episode counts, excluded partial demos, no dataset.episodes

README

cup_hang: joint-space arm actions (fixed)

pour_cup_clean: joint-space arm actions (fixed)

grasp_pan: joint-space arm actions (fixed)

initial commit