use system theme

example/ios/Flutter/.last_build_id

@@ -1 +1 @@
-13a41b8138c4868054e44b5158f3bdd6
+c770358a10272b4ee1cdc2eb432445f6

example/lib/main.dart

@@ -59,7 +59,7 @@ class MyApp extends StatelessWidget {
       debugShowCheckedModeBanner: false,
       theme: ThemeData.light(),
       darkTheme: ThemeData.dark(),
-      themeMode: ThemeMode.light,
+      themeMode: ThemeMode.system,
       onGenerateRoute: AppRoutes.generateRoute,
       initialRoute:
           client.state.user == null ? Routes.CHOOSE_USER : Routes.HOME,

example/pubspec.yaml

@@ -1,6 +1,6 @@
 name: example
 description: A new Flutter project.
-version: 1.0.99+102
+version: 1.0.100+103
 
 environment:
   sdk: ">=2.2.2 <3.0.0"