feat: add user preferences for online status and read receipts with real-time updates

- Introduced `showOnlineStatus` and `showReadReceipts` fields in the user schema and API.
- Integrated real-time status broadcasting in `UsersService` via `EventsGateway`.
- Updated repository and frontend user types to align with new fields.
- Enhanced user update handling to support dynamic preference changes for online status.

backend/src/users/repositories/users.repository.ts

@@ -47,6 +47,8 @@ export class UsersRepository {
 				bio: users.bio,
 				status: users.status,
 				isTwoFactorEnabled: users.isTwoFactorEnabled,
+				showOnlineStatus: users.showOnlineStatus,
+				showReadReceipts: users.showReadReceipts,
 				createdAt: users.createdAt,
 				updatedAt: users.updatedAt,
 			})