- Added `Cart` and `CartItem` models with migrations for managing user-specific carts and items
- Developed services for cart-related operations: adding, removing, and updating cart items
- Built specialized templates (`cart.html`) and styled them with new CSS assets (`cart.css`)
- Enabled real-time UI updates via AJAX in shopping cart interactions (`cart.js`)
- Modified header to dynamically display cart link with user authentication awareness
- Added Leaflet-based interactive map to the contacts page and integrated CSS/JS dependencies
- Expanded tests for cart functionality, item detail page cart integration, and contacts page maps
- Добавлены страницы "Услуги", "Доставка", "Гарантия", "Контакты" с view и URL
- Вынесены hero, advantages, и о нас в отдельные фрагменты
- Обновлены header и footer для активных ссылок и адаптивности
- Добавлен normalize.css для унификации стилей
