add Cart model + add store fot save all methods

src/app/[name]/(Dialogs)/cart/page.tsx

@@ -13,7 +13,6 @@ const CartIndex = () => {
   const { t } = useTranslation('parallels', { keyPrefix: 'Cart' });
   const router = useRouter();
   const { clearCart } = useCart();
-  const [description, setDescription] = React.useState('');
   const [showClearConfirm, setShowClearConfirm] = React.useState(false);
 
   const handleClearCart = (e: React.MouseEvent) => {
@@ -49,7 +48,7 @@ const CartIndex = () => {
 
       <div className='flex overflow-y-auto noscrollbar flex-col h-full pt-4 gap-4 pb-24' dir='rtl'>
         <CartItemsList />
-        <CartSummary description={description} onDescriptionChange={setDescription} />
+        <CartSummary />
       </div>
 
       <div className={showClearConfirm ? 'fixed inset-0 z-1001' : 'pointer-events-none fixed inset-0 z-1001'}>