docs: update Documentation Structure section with complete tmi-ux docs index Updated the Documentation Structure section in Contributing.md with the complete and verified file listings from tmi-ux/docs/README.md. Includes: - Reference documentation (architecture, libraries, features, security) - Developer documentation (setup, testing, features) - AI Agent documentation with all design and planning docs - Supporting image files location (corrected to docs/reference/) - Corrected filename reference (dfd-user-interaction-guide.md) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

ericfitz committed Jan 26, 2026