IPFS Markdown Gateway v3c2f49d

Available endpoints:
- /doc/{slug} - Access a markdown document by its slug
- /docs?secret={key} - Admin dashboard (requires secret key)
- /api/v1/* - Admin API endpoints (requires authentication)

Features:
- Three-tier gateway system with cascading fallback
- Admin API for gateway and mapping management
- Access key lifecycle management
- Audit logging and rate limiting

- Bootstrap configuration mode available

Example: /doc/hello-world