chore: canonical naming migration

chore: canonical naming migration

docs: HF model card — best-of-both front-matter derived from manifest

SKILL.md: regenerate discovery view

rskill.yaml: sync to OpenRAL namespace + current schema (joint_units, evaluated_tasks, ADR-0071)

rskill.yaml: declare action_contract.joint_units: radians (issue #135)

docs: add generated SKILL.md discovery view

chore: publish rSkill OpenRAL/rskill-diffusion-pusht v0.1.0

Duplicate from AdrianLlopart/rskill-diffusion-pusht