refactor(App, navigation): migrate to Expo Router and clean up navigation structure

- Updated App entry point to utilize Expo Router, simplifying the navigation setup.
- Removed legacy navigation components and services to streamline the codebase.
- Adjusted package.json to reflect the new entry point and updated dependencies for compatibility.
- Enhanced overall application structure by consolidating navigation logic and improving maintainability.

app/(app)/_layout.web.tsx

@@ -0,0 +1,28 @@
+import { useEffect } from 'react';
+import { useWindowDimensions } from 'react-native';
+import { Redirect } from 'expo-router';
+
+import { AppDesktopShell } from '../../src/app-navigation/AppDesktopShell';
+import { AppRouteStack } from '../../src/app-navigation/AppRouteStack';
+import { BREAKPOINTS } from '../../src/hooks/useResponsive';
+import { messageManager, useAuthStore } from '../../src/stores';
+
+export default function AppLayoutWeb() {
+  const { width } = useWindowDimensions();
+  const isAuthenticated = useAuthStore((s) => s.isAuthenticated);
+  const useDesktopShell = width >= BREAKPOINTS.desktop;
+
+  useEffect(() => {
+    messageManager.initialize();
+  }, []);
+
+  if (!isAuthenticated) {
+    return <Redirect href="/login" />;
+  }
+
+  if (useDesktopShell) {
+    return <AppDesktopShell />;
+  }
+
+  return <AppRouteStack />;
+}