- Added club_memberships and club_join_requests routers to the backend, improving API functionality for managing club memberships and join requests.
- Bumped application version to 0.8.21 in both backend and frontend files.
- Updated changelog to reflect the new version and changes made in this release.
- Removed constrained width classes from multiple pages to allow full-width layout, enhancing adaptability on larger screens.
- Updated app.css to eliminate unnecessary max-width properties, ensuring a more fluid design across various components.
- Adjusted styles in Navigation and other pages for consistent full-width presentation, improving user experience on diverse devices.
