Shopping App

This is a shopping web app that allows you create a list of items to be purchased with pre-existing items.
The following can be done with the app:

1. Type in the item to the purchased and click the Enter button or press the Enter key
2. Click on a particular item to mark it purchased
3. Click the Delete button to remove a corresponding item on the list
4. Choose two colors from the color inputs to set the background color gradient
5. Happy Shopping!