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/app_layout/view/widgets/default_nav_bar.dart

@@ -35,7 +35,3 @@ class DefaultNavBar extends StatelessWidget {
     );
   }
 }
-
-class DefaultBottomNavBarItem extends BottomNavigationBarItem {
-  DefaultBottomNavBarItem({required super.icon});
-}