[2.25pt]Create an Author class with an association to the Item class (in a separate .rb file).-student C

[OLIPLICHE]

• All Author class properties visible in the diagram should be defined and set up in the constructor method.
• Implement method add_item method in the Author class:

1. should take an instance of the Item class as an input
2. should add the input item to the collection of items
3. should add self as a property of the item object (by using the correct setter from the item object)