To run this program, please type this command.
> npx ts-node src/index.ts
> curl -X POST -H "Content-Type: application/json" -d "{\"name\":\"java developer\", \"description\":\"create a application\"}" http://localhost:3000/items
> curl -X POST -H "Content-Type: application/json" -d "{\"name\":\"golang developer\", \"description\":\"create a application\"}" http://localhost:3000/items
> curl http://localhost:3000/items
> curl http://localhost:3000/item/2
> curl -X PUT -H "Content-Type: application/json" -d "{\"name\":\"golang developer senior\", \"description\":\"create a application\"}" http://localhost:3000/item/2
> curl -X DELETE http://localhost:3000/item/1