Make stream_chat_persistence a add on dependency instead of shipping it with the llc

Signed-off-by: Sahil Kumar <[email protected]>

packages/flutter_widgets/example/lib/routes/app_routes.dart

@@ -15,6 +15,12 @@ class AppRoutes {
   static Route<dynamic> generateRoute(RouteSettings settings) {
     final args = settings.arguments;
     switch (settings.name) {
+      case Routes.APP:
+        return MaterialPageRoute(
+            settings: const RouteSettings(name: Routes.APP),
+            builder: (_) {
+              return MyApp(args);
+            });
       case Routes.HOME:
         return MaterialPageRoute(
             settings: const RouteSettings(name: Routes.HOME),

packages/flutter_widgets/example/lib/routes/routes.dart

@@ -1,5 +1,6 @@
 /// Define all the route names here
 class Routes {
+  static const String APP = '/app';
   static const String HOME = '/home';
   static const String CHOOSE_USER = '/choose_user';
   static const String ADVANCED_OPTIONS = '/advance_options';