feat: add recordings, settings, and voice pages with WebSocket integration

- Implemented RecordingsPage to display and manage voice recordings with live updates via WebSocket.
- Created SettingsPage for user preferences, including theme toggling and server configuration display.
- Developed VoicePage for managing voice connections, including guild and channel selection, and active speaker display.
- Introduced GuildSelector component for selecting Discord guilds with error handling and loading states.
- Added utility functions for formatting numbers and bytes, and safely parsing JSON.
- Established navigation structure for the dashboard with relevant links for new features.

services/frontend/src/app/page.tsx

@@ -1,5 +1,5 @@
 import { redirect } from "next/navigation";
 
 export default function RootPage() {
-  redirect("/dashboard?tab=messages");
+  redirect("/messages");
 }