- Introduced email notifications for various SIM management actions (e.g., top-ups, plan changes, cancellations) in SimManagementService.
- Updated SendGridEmailProvider to allow custom 'from' addresses in email options.
- Enhanced the SimCancelPage component to provide user feedback and confirmation regarding cancellation requests.
- Refactored email service integration to improve error handling and logging for email notifications.
- Introduced email configuration for both development and production environments in `.env.dev.example` and `.env.production.example`.
- Added SendGrid API key and email settings to support password reset and welcome emails.
- Implemented password reset and request password reset endpoints in the AuthController.
- Enhanced signup form to include additional fields such as Customer Number, address, nationality, date of birth, and gender.
- Updated various services and controllers to integrate email functionality and handle new user data.
- Refactored logging and error handling for improved clarity and maintainability.
- Adjusted Docker configuration for production deployment.
