feat: create onion architectue with successfully testing register

[Caknoooo]

Description

Please include a summary of the changes and the related issue.

Fixes #(issue)

Type of change

Please check all options that are relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Screenshot

(Opsional)

Checklist:

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• I have made API documentation and example response in Postman