Add model card

Add routing_index.json (Exp-6 gate results per adapter)

Add unrouted (l15-23, r=64, k=8, seeds 42-44; unrouted in-wave twins)

Add routed_d1 (l15-23, r=64, k=8, seeds 42-44; routed, d=1 designated latents per module)

Add routed_d2 (l15-23, r=64, k=8, seeds 42-44; routed, d=2 designated latents per module)

Add routed_d4 (l15-23, r=64, k=8, seeds 42-44; routed, d=4 designated latents per module)

Add routed_d8 (l15-23, r=64, k=8, seeds 42-44; routed, d=8 designated latents per module)

initial commit