update for new microcontroller

lib/app_router/app_router.dart

@@ -19,7 +19,7 @@ class AppRouter extends RootStackRouter {
             ),
             AutoRoute(
               page: RecordingsRoute.page,
-              children: [],
+              children: const [],
             ),
           ],
         ),
@@ -72,14 +72,14 @@ class MainPage extends StatelessWidget {
         return FBottomNavigationBar(
           index: tabsRouter.activeIndex,
           onChange: tabsRouter.setActiveIndex,
-          children: [
+          children: const [
             FBottomNavigationBarItem(
-              label: const Text('Xiao Connector'),
-              icon: FIcon(FAssets.icons.microchip),
+              label: Text('Xiao Connector'),
+              icon: Icon(FIcons.microchip),
             ),
             FBottomNavigationBarItem(
-              label: const Text('Recordings'),
-              icon: FIcon(FAssets.icons.disc3),
+              label: Text('Recordings'),
+              icon: Icon(FIcons.disc3),
             ),
           ],
         );