Service API endpoints for contact management.
http://localhost:3100
GET /contacts
curl http://localhost:3100/contacts
POST /contacts
curl -X POST http://localhost:3100/contacts \ -H "Content-Type: application/json" \ -d '{"name": "Jane Smith", "email": "jane@example.com", "organization": "Acme Corp"}'
GET /contacts/:slug
curl http://localhost:3100/contacts/jane-smith