update carton list and editor

lib/domain/vo/local_step.dart

@@ -0,0 +1,7 @@
+enum StepType { TYPE, CARTONS, SIZE, PACKAGES, CARGOS, SUBMIT }
+
+class LocalStep {
+  String lable;
+  StepType stepType;
+  LocalStep({required this.lable, required this.stepType});
+}