Order Products - Frontend

[lionllopez]

• For each product NOT in cart
  • Create add-to-cart button
    • Up to you if you want this to
      increment previously-existing product
      quantity.
    • Up to you if you want this to
      increment previously-existing product
      quantity.
• For each product CURRENTLY in cart
  • Create remove-from-cart button
  • Create edit quantity drop-down
• Add Cart persistence
  • (DONE in Review 2 above) for
    authenticated (logged in) users, using the
    database.
  • for unauthenticated (guest) using
    localStorage.
  • bonus: add ability to "merge" the
    localStorage cart with the database cart
    once a user logs in.