feat: attrs on product

barcodes/attributes/additional_info_attribute_getter.py

@@ -0,0 +1,7 @@
+from barcodes.attributes.base import BaseAttributeGetter
+from models import Product
+
+
+class AdditionalInfoAttributeGetter(BaseAttributeGetter):
+    def get_value(self, product: Product):
+        return product.additional_info