Prototype project - CRUD users on NODE.js without database ( use json.file as storage)
GET curl http://localhost:3000/users
POST curl -X POST http://localhost:3000/users -H 'Content-Type: application/json' -d '{"name":"Ruslan", "id": "1"}'
PATCH curl -X PATCH http://localhost:3000/users/1 -H 'Content-Type: application/json' -d '{"name":"Ruslan changed"}'
DELETE curl -X DELETE http://localhost:3000/users/1
TODO: tests, error handling