These are the API endpoints which need to be implemented:
| HTTP Method | Resource | Description |
|---|---|---|
| GET | /recipes | Returns the list of recipes. |
| POST | /recipes | Creates a new recipe. |
| PUT | /recipes/{id} | Updates an existing recipe by id. |
| DELETE | /recipes/{id} | Deletes an existing recipe by id. |
| GET | /recipes/{id} | Returns a recipe by id. |