Inventory CRUD via API. (Create Read Update Delete). Need this to make
the inventory gear turn :) Or, simply add the Stock property to the
Product model so that we can read and change it.
Barcode. Need barcode on pick list. (preferably SKU). If you cannot
decide what barcode to put there, make it a selection/dropdown so we can
pick from the following: Custom 1 Custom 2 Custom 3 Item SKU Product SKU
(Or just "SKU" and use whichever is ...
