Add missing Ctrl-World configs, normalization stats (all domains), converter weights, preprocessing scripts

Add Ctrl-World libero checkpoint-20000, normalization stats, action conversion scripts

Add VLAC pipeline verification and diagnostic scripts

Add base checkpoints: hybrid-checkpoint-128000 (track WM) + ctrl-world checkpoint-10000 (DROID pretrained)

Add Ctrl-World and track dualview code (no checkpoints, no datasets)

Update openpi code, add VLAC pipeline, track dualview code

Add OpenPI source code, VLAC reranking pipeline scripts, and documentation

initial commit