Leo 76bd5bf933 docs: add skill-security-auditor to marketplace, README, and CHANGELOG ...

- Add standalone plugin entry for skill-security-auditor in marketplace.json
- Update engineering-advanced-skills plugin description to include it
- Update skill counts: 85→86 across README, CHANGELOG, marketplace
- Add install command to README Quick Install section
- Add to CHANGELOG [Unreleased] section

2026-03-04 03:00:47 +01:00

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marketplace.json

docs: add skill-security-auditor to marketplace, README, and CHANGELOG

2026-03-04 03:00:47 +01:00