ECWID-102900 Order quantity limits for products: storefront

- added new fields min/max in Api for degenerator

Author: fialka

src/main/kotlin/com/ecwid/apiclient/v3/dto/product/result/FetchedProduct.kt

@@ -92,6 +92,8 @@ data class FetchedProduct(
 	val productCondition: ProductCondition = ProductCondition.NEW,
 	val externalReferenceId: String? = null,
 	val customsHsTariffCode: String? = null,
+	val minPurchaseQuantity: Int? = null,
+	val maxPurchaseQuantity: Int? = null,
 ) : ApiFetchedDTO {
 
 	data class BorderInfo(