- Document QR Code Generation API with three calculation types (fuel, distance, custom)
- Include PNG vs SVG format comparison table with use case recommendations
- Provide usage examples in cURL, JavaScript, Python, and HTML
- Document Checkout API endpoints
- Add best practices, error handling, and future enhancements section
- Clarify that vessel metadata in QR codes is informational only (not stored in orders)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
