1.1 User can request for message from explore page
1.2User cannot message broker if not following
1.3 prepare action which handles creating inbox between user and broker if not exists
- Removed `UserDashboardController` and related user dashboard views.
- Introduced `ExplorePageController` and redesigned `explore.blade.php` as the main user-facing page.
- Updated routing logic to redirect users (non-admin and non-broker) to the `explore` page.
- Added dedicated sidebar and layout components for the broker dashboard, improving structure and navigation.
