Add pagination support for frontend

[Madhawa97]

Purpose

The purpose of this PR is to fix #181

Goals

The pagination support for the backend was recently added and this PR updates the relevant endpoints in the frontend to support the feature.

Approach

Screenshots

Checklist

• This PR doesn't commit any keys, passwords, tokens, usernames, or other secrets.
• I have read and understood the development best practices guidelines ( http://bit.ly/sef-best-practices )
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation

Related PRs

Test environment

Learning

[Madhawa97]

Updated to match with backend pagination removal for categories

We may need a new approach to get the Total Mentee Slots: X count in the admin mentor applications page.
Also the totalItemCount sends when filtered by category seems wrong and should be fixed in the backend.
@anjula-sack

[anjula-sack]

Updated to match with backend pagination removal for categories

We may need a new approach to get the Total Mentee Slots: X count in the admin mentor applications page. Also the totalItemCount sends when filtered by category seems wrong and should be fixed in the backend. @anjula-sack

Can you create an issue for this?