Card: docs-site link and contribution pointer

Refuse rather than guess: UNKNOWN verdicts for unreadable designs

docs: portfolio table now points at the live demo and both source repos

docs: add Install, 30-second quickstart, and real example output to the card

docs: cross-link the hw-verify portfolio and the live Space; drop premature PyPI links

hw-verify v1.0.0: 49 records across 3 splits, byte-reproducible from the open tools

initial commit