added automapper config in microservice demo product management

resolves https://github.com/abpframework/abp/issues/1273

samples/MicroserviceDemo/modules/product/src/ProductManagement.Application/ProductManagement/ProductManagementApplicationAutoMapperProfile.cs

@@ -6,7 +6,7 @@ namespace ProductManagement
     {
         public ProductManagementApplicationAutoMapperProfile()
         {
-            
+            CreateMap<Product, ProductDto>();
         }
     }
 }