Allow setting product on product image resource, so you can save prod…

…uct images independently from the product mapping itself. (#52)

Co-authored-by: Joey Jurjens <[email protected]>

oscar_odin/resources/catalogue.py

@@ -46,6 +46,8 @@ class Meta:
     )
     date_created: Optional[datetime]
 
+    product: Optional["ProductResource"] = odin.DictOf.delayed(lambda: ProductResource)
+
 
 class CategoryResource(OscarCatalogueResource):
     """A category within Django Oscar."""