Added fats for Nutri-Score

[aleene]

What

• It seems not all added fats are taken into account as fats for the Nutriscore calculation.

Describe the solution you'd like
Add a rule, similar to beverages. This should include the categories en:Creams, en:Fats, en:Spreadable fats

Describe alternatives you've considered
We could also add the fats category to the categories mentioned above.

Additional context

'Added fats' refer to fats sold as finished products, not to fats used as ingredients in a recipe. For instance, the following are considered added fats: vegetable oils, margarines, butter, cream or dairy products used as added fats.

Part of

• 🚦Nutri-Score (tracker) #5517