feat: EPIC login system

[adshz]

🎯 Goal

A clear, one-sentence summary of what this issue aims to achieve.

📝 Background / Context

Why is this task necessary? Provide a little context. Is it part of a bigger feature? Does it fix a problem?

✅ Acceptance Criteria

A checklist of conditions that must be met for the task to be considered complete.

• The new feature passes all unit tests
• Documentation is updated to reflect the new functionality