Lib
Models
This directory is mostly specific to project.
Models are data classes that you create according to your needs. And with the help of the controller, you can manipulate the model’s data.
Place all your models in here like user.dart, product.dart or any other.
Holds the state of the application and provides an API to access/filter/manipulate that data. Its concern is data encapsulation and management. It contains logic to structure, validate or compare different pieces of data that we call Domain Logic.