fix onboarding to single page

lib/pages/navigation.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+
+class AppNavigation extends HookConsumerWidget {
+  const AppNavigation({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final currentIndex = useState(0);
+    return Scaffold(
+      bottomNavigationBar: BottomNavigationBar(
+        currentIndex: currentIndex.value,
+        onTap: (value) => currentIndex.value = value,
+        items: const [
+          BottomNavigationBarItem(
+            icon: Icon(Icons.home),
+            label: 'Home',
+          ),
+          BottomNavigationBarItem(
+            icon: Icon(Icons.business),
+            label: 'Business',
+          ),
+          BottomNavigationBarItem(
+            icon: Icon(Icons.school),
+            label: 'School',
+          ),
+        ],
+      ),
+    );
+  }
+}