Add norm_stats assets (generalist + 12 tasks)

Add robotwin_stack_bowls_two

Add robotwin_put_bottles_dustbin

Add robotwin_place_phone_stand

Add robotwin_place_empty_cup

Add robotwin_place_a2b_left

Add robotwin_pick_dual_bottles

Add robotwin_move_can_pot

Add robotwin_lift_pot

Add robotwin_handover_mic

Add robotwin_handover_block

Add robotwin_blocks_ranking_rgb

Add robotwin_beat_block_hammer

initial commit