AC devices page implemented

AC Cubit Add
New Devices Cubit Arch will be used
Devices Cubit (for devices categories, and devices page)
{
AC cubit,
Lights cubit.
... }
Replaced AssetsManager with Assets Class (auto generated)

lib/features/scene/bloc/scene_cubit.dart

@@ -13,6 +13,7 @@ class SceneCubit extends Cubit<SceneState> {
 
   void getScenes() {
     emit(SceneLoading());
+    //TODO: remove this it's causing the Bad State because its being after the cubit is closed
     Future.delayed(const Duration(seconds: 5), () {
       emit(SceneSuccess());
     });