export function comparePurchaseUrgency

dates.js: update param name and logic to handle future and past dates

List.jsx: import comparePurchaseUrgency

filter shopping list to separate out past purchase dates and pending purchase dates into two lists

append the lists to eachother so overdue dates come first

…ping list items based on urgency

Categories are: inactive, overdue, and future.

Overdue items appear first, followed by future dates, and finally inactive items.

…list to table

…locate comparePurchaseUrgency to dates.jsx