As a customer/visitor, I want to be able to checkout the items in my cart so I can purchase my desired goods.

[knrodriguez]

Backend

• [x] express route to update isOrdered field in order table to true

• [x] create order details instances from cart if they dont exist in DB (check for nested create in sequelize)

  Frontend

• [x] Prompt to sign in or continue as guest

• [x] If GUEST, fill out form asking for email address, shipping address, payment information

• [x] If LOGGED IN, confirm all information associated to user

• [x] When 'Submit' is clicked

• -update quantity of products in products table.

• -create new row in order table as new shopping cart