Update README with Sprint 9.7 patterns and full hook table

Add Sprint 9.7 patterns: TRUNC-001, STATE-001, DEBOUNCE-001

docs: update pattern count to 45+, 10 categories in README

feat: add Security, Tier Gating, React patterns sections (Sprint 9.5 gaps)

feat: add Security, Tier Gating, React patterns checklists to plan-quality-advisor

feat: add SEC, EMAIL, API completeness pattern categories (Sprint 9.5 gap analysis)

feat: add TS-004, ASYNC-001, FE-003 hook rules from Sprint 9.5 gap analysis

Add marketplace.json for Claude Code plugin discovery

Initial commit: Code Quality Guardian plugin v2.0.0