base_models 2.0.0

Flutter package for have base models.

[2.0.0]

• Migrate to Null Safety.

[0.0.2]

• Update README.

[0.0.1]

• Make api_exception, app_exception, bad_request_exception, not_internet_exception, reason for manage errors.

• Make base_models for manage models for data base.

• Make localization_constants for general constants.