favi API docs

favi API docs for the public favicon HTTP API at getfavi.vercel.app. Canonical versioned paths: GET /api/v1/health, GET /api/v1/libraries, GET /api/v1/icons, GET /api/v1/icons/{library}/{name}, POST /api/v1/export. Machine-readable: /openapi.json. Auth docs: /docs/auth. Webhooks: /docs/webhooks. MCP server: /docs/mcp. Vercel developer resources: /docs/vercel.