Sprint 3 : User Story 3 : Frontend Integration with Axios

- **As a Scrum Master**, I want the frontend to use Axios for HTTP requests, improving our app's efficiency and maintainability.
- **Tasks**:
  - Task 3.1: Replace all `FetchModel` instances with `axios.get` in the frontend code ex: TopBar.jsx etc.
- **Acceptance Criteria**: Frontend successfully uses Axios for all data fetching. Application functionality remains unchanged post-refactor.
