Add the `ossf/scorecard-action` on a weekly schedule to publish a supply-chain posture score, and add the Scorecard badge to the README. Acceptance: Scorecard workflow runs weekly; badge renders in the README.
Add the
ossf/scorecard-actionon a weekly schedule to publish a supply-chain posture score, and add the Scorecard badge to the README.Acceptance: Scorecard workflow runs weekly; badge renders in the README.