Added DTOs for product and promotion

src/main/java/dto/ProductDto.java

-package dto;public class ProductDto {
+package dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import model.Product;
+
+@Getter
+@AllArgsConstructor
+public class ProductDto {
+    private String sku;
+    private String upc;
+    private String prodName;
+    private String prodDesc;
+    private float price;
+    private String prodImgUrl;
+    private String brand;
+    private String category;
+    private int stock;
+    private PromotionDto promotion;
+
+
+    public static ProductDto generateDtoFromProduct(Product product) {
+        // TODO: Fetch the product's promotion from the Promotions service
+        PromotionDto promotion = new PromotionDto();
+
+        return new ProductDto(product.getSku(), product.getUpc(), product.getProdName(), product.getProdDesc(), product.getPrice(), product.getProdImgUrl(), product.getBrand(), product.getCategory(), product.getAvailableStock(), promotion);
+
+    }
 }

src/main/java/dto/PromotionDto.java

-package dto;public class PromotionDto {
+package dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class PromotionDto {
+    private String promotionId;
+    private String productSku;
+    private String discountPercentage;
+    private String minimumQuantity;
+
+    public PromotionDto() {}
 }

src/main/java/service/ProductService.java

 package service;
 
+import dto.ProductDto;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import reactor.core.publisher.Flux;
 import repository.ProductRepository;
 
 @Service
 public class ProductService {
     @Autowired
     ProductRepository productRepository;
+
+    public Flux<ProductDto> testDto() {
+        return productRepository.findAll()
+                .map(ProductDto::generateDtoFromProduct)
+                .flatMap(Flux::just);
+    }
 }