As a CUSTOMER, I want to add products to a shopping cart and proceed to checkout, so that I can purchase items easily.

[jjanczynska]

As a customer, I want to add products to a shopping cart and proceed to checkout, so that I can purchase items easily.

Tasks:

• [x] Design shopping cart system
• [x] Implement cart functionality
• [x] Add products to the cart
• [x] Add lessons to the cart
• [x] update the cart
• [x] Remove items from the cart
• [x] create a checkout app

[jjanczynska]

As a customer, I want to add products to a shopping cart and proceed to checkout, so that I can purchase items easily.

• [ ] ease of selecting size or time slot of the product or a service
• [ ]