Input workers' allergies via a user-friendly form.

[kenako1]

As a manager, I want to input workers' allergies using a form, so that I can record dietary restrictions.

[kenako1]

🔹 Definition of Done:
✔️ Managers can add, edit, and delete allergy information for each worker via a user-friendly form.
✔️ The form supports multiple allergy inputs per worker.
✔️ The system securely stores and retrieves allergy data for each employee.
✔️ Allergy data is visible only to authorized users (e.g., managers and the respective employee).
✔️ Frontend validation prevents submission of invalid or duplicate allergy data.
✔️ Backend API properly processes and persists allergy information.
✔️ Feature tested across different devices (desktop, tablet, mobile).
✔️ No major UI/UX issues remain.
✔️ Feature demo successfully completed.