docs: Document API fields

html/data/data-fields.txt

@@ -176,3 +176,60 @@ carbon-footprint_100g : carbon footprint (as indicated on the packaging of some
 
 nutrition-score-fr_100g : Nutri-Score - Nutrition score derived from the UK FSA score and adapted for the French market (formula defined by the team of Professor Hercberg)
 nutrition-score-uk_100g : nutrition score defined by the UK Food Standards Administration (FSA)
+
+producer_product_id : product id of a product provided by the manufacturer
+producer_version_id : revision id of a product provided by the manufacturer
+net_weight_value
+net_weight_unit
+drained_weight_value : drained weight value for products like tuna in brine
+drained_weight_unit : drained weight unit for products like tuna in brine
+volume_value
+volume_unit
+other_information
+conservation_conditions
+recycling_instructions_to_recycle
+recycling_instructions_to_discard
+nutrition_grade_fr_producer
+recipe_idea 
+origin
+customer_service
+producer
+preparation
+warning
+data_sources
+
+code
+creator
+created_t
+last_modified_t
+product_name
+generic_name
+quantity
+packaging
+brands
+categories
+origins
+manufacturing_places
+labels
+emb_codes
+cities
+purchase_places
+stores
+countries
+ingredients_text
+allergens
+traces
+serving_size
+serving_quantity
+no_nutriments
+additives_n
+additives
+ingredients_from_palm_oil_n
+ingredients_from_palm_oil
+ingredients_that_may_be_from_palm_oil_n
+ingredients_that_may_be_from_palm_oil
+nutrition_grade_fr
+nova_group
+pnns_groups_1
+pnns_groups_2
+states