Refactored email sending to use a single HTML template with a base layout, removed plain text email templates, and updated all related backend logic. Introduced a new ContactMe model, serializer, Celery task, and API endpoints for handling contact form submissions, including email notifications. Renamed ShopConfiguration to SiteConfiguration throughout the backend for consistency. Updated frontend to remove unused components, add a new Services section, and adjust navigation and contact form integration.
Moved email templates to a unified 'email' directory and added new base, header, and footer templates for emails. Implemented notification tasks in commerce for various order and refund events, and updated Carrier model to trigger notifications on shipping state changes.
