Create normalization dictionary

[Jefferson Tweed]

Create a dictionary look up in helper functions that can be used to handle normalization of items that have different names but are the same thing on a list.

Ex:
Input of 'Onion' = Should mean entry of 'Yellow Onion'

mealcurator/cooks/views.py

Line 253 in b50235f

 item = meal_item.objects.get(item_name=sent_item)