✨ Drawer navigation

lib/widgets/drawer_button.dart

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+import 'package:flutter/material.dart';
+import 'package:solian/shells/root_shell.dart';
+
+class DrawerButton extends StatelessWidget {
+  const DrawerButton({super.key});
+
+  void openDrawer() {
+    rootScaffoldKey.currentState!.openDrawer();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return IconButton(
+      icon: const Icon(Icons.menu),
+      tooltip: MaterialLocalizations.of(context).openAppDrawerTooltip,
+      onPressed: openDrawer,
+    );
+  }
+}

lib/widgets/navigation/app_navigation_drawer.dart

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+import 'package:flutter/material.dart';
+import 'package:solian/router.dart';
+import 'package:solian/shells/root_shell.dart';
+import 'package:solian/widgets/navigation/app_navigation.dart';
+
+class AppNavigationDrawer extends StatefulWidget {
+  const AppNavigationDrawer({super.key});
+
+  @override
+  State<AppNavigationDrawer> createState() => _AppNavigationDrawerState();
+}
+
+class _AppNavigationDrawerState extends State<AppNavigationDrawer> {
+  int _selectedIndex = 0;
+
+  @override
+  Widget build(BuildContext context) {
+    return NavigationDrawer(
+      selectedIndex: _selectedIndex,
+      onDestinationSelected: (idx) {
+        setState(() => _selectedIndex = idx);
+        AppRouter.instance.goNamed(AppNavigation.destinations[idx].page);
+        rootScaffoldKey.currentState!.closeDrawer();
+      },
+      children: [
+        ...AppNavigation.destinations.map(
+          (e) => NavigationDrawerDestination(
+            icon: e.icon,
+            label: Text(e.label),
+          ),
+        )
+      ],
+    );
+  }
+}