fix src upselling

src/Upselling.php

@@ -0,0 +1,42 @@
+<?php
+namespace NexaMerchant\Upselling;
+
+use Illuminate\Support\Facades\Event;
+use Illuminate\Support\Arr;
+use Webkul\Checkout\Traits\CartValidators;
+use Webkul\Checkout\Traits\CartTools;
+use Webkul\Checkout\Traits\CartCoupons;
+use Webkul\Checkout\Repositories\CartRepository;
+use Webkul\Checkout\Repositories\CartItemRepository;
+use Webkul\Customer\Repositories\CustomerAddressRepository;
+use Webkul\Product\Repositories\ProductRepository;
+use Webkul\Tax\Repositories\TaxCategoryRepository;
+use Webkul\Customer\Repositories\WishlistRepository;
+use Webkul\Checkout\Repositories\CartAddressRepository;
+use Webkul\Shipping\Facades\Shipping;
+use Webkul\Checkout\Models\CartPayment;
+use Webkul\Checkout\Models\CartAddress;
+use Webkul\Tax\Helpers\Tax;
+
+class Upselling {
+
+    private $cart;
+
+    public function __construct(
+        protected CartRepository $cartRepository,
+        protected CartItemRepository $cartItemRepository,
+        protected CartAddressRepository $cartAddressRepository,
+        protected ProductRepository $productRepository,
+        protected TaxCategoryRepository $taxCategoryRepository,
+        protected WishlistRepository $wishlistRepository,
+        protected CustomerAddressRepository $customerAddressRepository
+    )
+    {
+        $this->cart = $this->cartRepository->getCart();
+    }
+
+
+    public function applyUpselling($cart) {
+        // Apply upselling logic here
+    }
+}