Add AC cubit and state classes

Add AC cubit and state classes with initial state for managing air conditioning
related functionality in the devices feature bloc.

lib/features/devices/bloc/cubit/ac_cubit.dart

@@ -0,0 +1,51 @@
+// import 'package:bloc/bloc.dart';
+// import 'package:flutter/foundation.dart';
+// import 'package:meta/meta.dart';
+// import 'package:syncrow_app/features/devices/bloc/devices_cubit.dart';
+// import 'package:syncrow_app/features/devices/model/device_category_model.dart';
+// import 'package:syncrow_app/features/devices/model/device_model.dart';
+
+// part 'ac_state.dart';
+
+// class AcCubit extends Cubit<AcState> {
+//   AcCubit() : super(AcInitial());
+//  DeviceModel? getSelectedAC() {
+//     DevicesCategoryModel category = DevicesCubit.allCategories![0];
+//     for (var device in category.devices) {
+//       if (device is  && device.isSelected) {
+//         return device;
+//       }
+//     }
+//     return null;
+//   }
+
+//   void setTempToAll(double temperature) {
+//     for (DeviceModel ac in category.devices) {
+//       if (ac is DeviceModel) {
+//         if (ac.temperature != temperature &&
+//             ac.bounds.min <= temperature &&
+//             temperature <= ac.bounds.max) {
+//           setACTemp(ac, temperature);
+//         }
+//       }
+//     }
+//     universalACTemp = temperature;
+//     emit(ACsTempChanged(temperature));
+//   }
+
+//   void setACTemp(DeviceModel model, double temp) {
+//     if (model.bounds.min <= temp && temp <= model.bounds.max) {
+//       model.temperature = temp;
+//     }
+//     emit(ACsTempChanged(temp));
+//   }
+
+//   double getTemp(int index) {
+//     var device = category.devices[index];
+//     if (device is DeviceModel) {
+//       return device.temperature;
+//     }
+//     return 0.0; // or any default value you prefer
+//   }
+
+// }

lib/features/devices/bloc/cubit/ac_state.dart

@@ -0,0 +1,6 @@
+// part of 'ac_cubit.dart';
+
+// @immutable
+// sealed class AcState {}
+
+// final class AcInitial extends AcState {}