Data Model Creation

[LucasStapf]

Description:
This issue aims to create the data models to be used in the application. These models will represent the main entities of the app's domain and will allow data mapping for input and output operations, both in internal processes and in communication with external APIs.

Tasks:

1. Identify the main domain entities

   • Examples: User, Ride, Vehicle, etc.
   • Define what information needs to be stored for each entity.

2. Define data models in Dart

   • Create Dart classes for each identified entity.
   • Include relevant attributes for each entity.
   • Add constructors, getters, and setters as needed.