Added create a unit screen, and implemented otp screen bloc and view

lib/features/menu/bloc/create_unit_bloc/create_unit_bloc.dart

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+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:syncrow_app/features/menu/bloc/create_unit_bloc/create_unit_event.dart';
+import 'package:syncrow_app/features/menu/bloc/create_unit_bloc/create_unit_state.dart';
+import 'package:syncrow_app/utils/helpers/snack_bar.dart';
+
+class CreateUnitBloc extends Bloc<CreateUnitEvent, CreateUnitState> {
+  List<String> rooms = [];
+  String unitName = '';
+  String locationName = '';
+
+  CreateUnitBloc() : super(InitialState()) {
+    on<CreateRoomEvent>(_createRoom);
+    on<RemoveRoomEvent>(_removeRoom);
+  }
+
+  void _createRoom(CreateRoomEvent event, Emitter<CreateUnitState> emit) async {
+    try {
+      emit(LoadingState());
+      if (rooms.contains(event.roomName)) {
+        emit(const ErrorState(message: 'This name is already exist'));
+        emit(CreateRoomState(roomList: rooms));
+        return;
+      }
+      rooms.add(event.roomName);
+      emit(CreateRoomState(roomList: rooms));
+    } catch (e) {
+      emit(const ErrorState(message: 'Something went wrong'));
+      return;
+    }
+  }
+
+  void _removeRoom(RemoveRoomEvent event, Emitter<CreateUnitState> emit) {
+    try {
+      emit(LoadingState());
+      rooms.removeWhere((element) => element == event.roomName);
+      emit(CreateRoomState(roomList: rooms));
+    } catch (e) {
+      emit(const ErrorState(message: 'Something went wrong'));
+      return;
+    }
+  }
+}

lib/features/menu/bloc/create_unit_bloc/create_unit_event.dart

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+import 'package:equatable/equatable.dart';
+
+abstract class CreateUnitEvent extends Equatable {
+  const CreateUnitEvent();
+
+  @override
+  List<Object> get props => [];
+}
+
+class InitialEvent extends CreateUnitEvent {}
+
+class LoadingEvent extends CreateUnitEvent {}
+
+class CreateRoomEvent extends CreateUnitEvent {
+  final String roomName;
+
+  const CreateRoomEvent({required this.roomName});
+
+  @override
+  List<Object> get props => [roomName];
+}
+
+class RemoveRoomEvent extends CreateUnitEvent {
+  final String roomName;
+
+  const RemoveRoomEvent({required this.roomName});
+
+  @override
+  List<Object> get props => [roomName];
+}

lib/features/menu/bloc/create_unit_bloc/create_unit_state.dart

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+import 'package:equatable/equatable.dart';
+
+abstract class CreateUnitState extends Equatable {
+  const CreateUnitState();
+
+  @override
+  List<Object> get props => [];
+}
+
+class InitialState extends CreateUnitState {}
+
+class LoadingState extends CreateUnitState {}
+
+class CreateRoomState extends CreateUnitState {
+  final List<String> roomList;
+
+  const CreateRoomState({required this.roomList});
+
+  @override
+  List<Object> get props => [roomList];
+}
+
+class ErrorState extends CreateUnitState {
+  final String message;
+
+  const ErrorState({required this.message});
+
+  @override
+  List<Object> get props => [message];
+}