Merge ARCHITECTURE.md into README, expand Légifrance section on transparence
- README: add sommaire, integrate full architecture content (diagram,
components, routes, flows, security, decisions, scalability), add
Légifrance articles table and PISTE setup instructions
- ARCHITECTURE.md: removed (content fully merged into README)
- transparence.tsx: expand Légifrance block with full table of 11 tracked
articles (priority, description), cache/resilience/monitoring details
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
billisdeadandClaude Sonnet 4.6
8f904f4cf0