Link EpiWM blog and correct score data reference

Add matched-budget SIGReg retrain (2 seeds) to scores and model card

Rename to EpiWM: model card, analysis columns (epiwm_*), animations

Add analysis data (embeddings, trajectories + videos, animations, probes, training logs, all scores)

EpiJEPA-LeWM: best checkpoint per environment (TwoRoom, Push-T, Cube, Reacher)

initial commit