It is a command-line application that models a pizza restaurant emphasizing on the kitchen of a delivery pizza restaurant.
In main.m, take the user input, and use it to ask the kitchen to make a pizza. If the user inputs 'small ham pineapple cheese', that should generate a Pizza object with a PizzaSize of Small, and a toppings array containing ham, pineapple, and cheese.
Best practices include using class methods, constructor.