Delete User Account API

Secure user deletion API with built-in registration and JWT authentication.
Ideal for dashboards, SaaS platforms, or internal user management panels.

🗑️ Features:

• POST /register — create user + get JWT
• DELETE /delete-account — delete account (JWT required)
• Secure password hashing (Werkzeug)
• Email format validation and uniqueness check
• Rate limited (5 registrations / 2 deletions per minute)
• Fully logged, CORS-enabled
• Ready to drop into production