1403 implement anonymous user

Description

Implement Anonymous User API for domain/UI layer.

Technical details

Anonymous User API consists of a configuration specific for anonymous user login.

Tests

Following are the test cases that cover basic auth data scenarios.

1. Request Auth Data and receive success.
2. Check Auth Data validation
3. Check Auth Data validation network failures.

Issues

https://gitlab.e.foundation/e/os/backlog/-/issues/1403

10 commandments of code reviews

👪 ❤ https://gitlab.e.foundation/internal/wiki/-/wikis/mobile-team/guidelines/Code-review