Improve pagination in search operation

[subigre]

Background

The current pagination currently returns only 10 results per page. In addition, pagination links (first, prev, next, last) are currently missing from the response returned by the application.

Acceptance criteria

• [x] Page size is configurable using an application properties
• [ ] Pagination links (first, prev, next, last) are generated/populated in the response.

Success criteria

• [ ] Review / Merge request approved (P2P session)
• [ ] Unit tests passed
• [ ] Updated documentation (Javadoc and Sphinx)
• [ ] Acceptance criteria fulfilled
• [ ] Build without errors
• [ ] Release notes prepared
• [ ] Runtime warnings