v2 results in simulation + v1 section

publish walk-rough: perpetual, velroughbl-2026-10-09-it11000.onnx

README: re-correct the terrain line (random rough patches, not flat)

Metadata for Microduck policy (#1)

README: training terrain stayed on the easiest tier (stock curriculum), say so

publish walk-rough: perpetual, velrough-2026-09-19-it8000.onnx

initial commit