[2pt] Create Genre class with an association to the Item class (in a separate .rb file).

[Estete9]

• All Genre class properties visible in the diagram should be defined and set up in the constructor method.

• Implement methods:

  • add_item method in the Genre class
  • should take an instance of the Item class as an input
  • should add the input item to the collection of items
  • should add self as a property of the item object (by using the correct setter from the item object)