feat: enhance notification system and integrate DOMPurify for HTML sanitization

- Added `dompurify` for improved HTML sanitization in the play rules.
- Updated `PlayerNotificationBell` component to handle unread notifications and improve user interaction.
- Enhanced `usePendingWalletReconcile` hook to manage unread notifications and mark them as read.
- Added new translations for notification-related texts in English, Nepali, and Chinese to support multilingual users.

src/app/(player)/(main)/notifications/page.tsx

@@ -0,0 +1,5 @@
+import { NotificationsScreen } from "@/features/player/notifications-screen";
+
+export default function NotificationsPage() {
+  return <NotificationsScreen />;
+}