.http

@host=http://localhost:3000

### GET /books
GET {{host}}/books

### Get existing book
GET {{host}}/books/3

### Get nonexistent book
GET {{host}}/books/18

### Add a new book
POST {{host}}/books/
Content-Type: application/json

{
  "title": "New Book"
}

### Incorrectly a new book
POST {{host}}/books/
Content-Type: application/json

{
  "titl": "Wrong New Book"
}

### Update book
PUT {{host}}/books/3
Content-Type: application/json

{
  "title": "Updated Book"
}

### Update nonexistent book
PUT {{host}}/books/18
Content-Type: application/json

{
  "title": "Wrong Updated Book"
}

### Incorrectly update book
PUT {{host}}/books/3
Content-Type: application/json

{
  "tile": "Wrong Updated Book"
}

### Delete existing book
DELETE {{host}}/books/9

### Delete nonexistent book
DELETE {{host}}/books/18