utils under Backend/src/utiles

- `logger.ts` - Writes down what's happening
 * - Writes down everything that happens:
 * - Who visited the site
 * - What they asked for
 * - If anything went wrong


- `apiFeatures.ts` - Tools for working with APIs
 * - Helper tools for controllers:
 * - Sorting data
 * - Filtering results
 * - Pagination (showing page 1 of 10)