USER STORY: Edit Cart

[fenton1000]

As a Visiting User I can adjust the quantity of any item in my cart or remove an item completely so that I can easily confirm a final purchase list just prior to making a purchase.

[fenton1000]

Acceptance Criteria:

1. When viewing the cart, each item has an option to increase or decrease the quantity of that particular item in the cart.
2. When viewing the cart, each item has an option to remove it completely from the list.

[fenton1000]

Tasks:

1. Create buttons to initiate JS actions to adjust quantities stored in the session and update the webpage.
2. Add script tags to the html to call the JS functionality and create the necessary JS functions in a JS file in the static folder.