Add README with demo video

Add README

Update hand_module/guided_test_hand.py — 2026-07-07 18:04

Update hand_module/collect_hand_data.py — 2026-07-07 18:04

Update hand_module/quick_calibration.py — 2026-07-07 18:04

Update hand_module/train_hand.py — 2026-07-07 18:04

Update hand_module/results/training_curves_hand.png — 2026-07-07 18:04

Update hand_module/results/confusion_matrix_hand.png — 2026-07-07 18:04

Update hand_module/models/hand_norm_std.npy — 2026-07-07 18:04

Update hand_module/models/hand_norm_mean.npy — 2026-07-07 18:04

Update hand_module/models/best_model_hand.pt — 2026-07-07 18:04

initial commit