- Removed captcha checks from login, registration, and forum post routes.
- Implemented email verification using 8-digit codes for registration and password changes.
- Updated frontend to handle email verification code input during registration and password change.
- Simplified captcha logic by integrating CAPTCHA verification directly in the frontend.
- Enhanced email templates for verification codes and improved error handling.
- Cleaned up unused code related to captcha and improved overall code structure.
shanshuilala