Simple NavigationBar and placeholder map view

lib/pages/main_navigation_scaffold.dart

@@ -0,0 +1,41 @@
+import 'package:flutter/material.dart';
+
+import 'landing_page.dart';
+import 'map_page.dart';
+
+class MainNavigationScaffold extends StatefulWidget {
+  const MainNavigationScaffold({super.key});
+  static const routeName = '/';
+
+  @override
+  State<MainNavigationScaffold> createState() => _MainNavigationScaffoldState();
+}
+
+class _MainNavigationScaffoldState extends State<MainNavigationScaffold> {
+  int _selectedPageIndex = 0;
+
+  final List<Widget> _pages = [
+    const LandingPage(),
+    const MapPage(),
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      bottomNavigationBar: NavigationBar(
+        selectedIndex: _selectedPageIndex,
+        onDestinationSelected: (value) => setState(() {
+          _selectedPageIndex = value;
+        }),
+        destinations: [
+          NavigationDestination(icon: Icon(Icons.list), label: 'List'),
+          NavigationDestination(icon: Icon(Icons.map_outlined), label: 'Map'),
+        ],
+      ),
+      body: IndexedStack(
+        index: _selectedPageIndex,
+        children: _pages,
+      ),
+    );
+  }
+}