Add complete GIFT wiki: 32 pages across 6 phases Phase 1 (Skeleton): Home, Sidebar, Footer, Getting Started, Site Map, External Resources Phase 2 (Core Guides): GIFT for Everyone, FAQ, Glossary, For Physicists/Geometers/Formalization Phase 3 (Reference): Observable Reference, Statistical Evidence, Validation Summary, Independent Validations, Citation Guide Phase 4 (Papers): Main Framework, S1 Foundations, S2 Derivations, Explicit G2 Metric, Spectral Geometry Phase 5 (Blog Posts): 7 Substack posts with attribution banners Phase 6 (Project): Lean Formalization, Repository Structure, Changelog Highlights Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>