Retrieves a paginated list of vouchers with optional filtering capabilities.

GET https://api.fiscanner.net/Vouchers

Pagination: This endpoint implements server-side pagination to efficiently handle large datasets. The response includes metadata about total count, current page, and available pages.

Performance Considerations:Uses MongoDB's efficient skip/limit operationsResults are projected to minimize data transferSupports indexing on commonly filtered fields Usage Example:``` GET /vouchers?pageNumber=1&pageSize=20&sortBy=createdAt&sortDirection=desc