[2pt] Implement methods - Member 3

[Fahim-Khan-P]

• Create a Game class in a separate .rb file.

• Create an Author class with an association to the Item class (in a separate .rb file).

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

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

• Implement methods:

• [ ] 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)

• [ ] can_be_archived?() in the Game class

1. should override the method from the parent class
2. should return true if parent's method returns true AND if last_played_at is older than 2 years
3. otherwise, it should return false

[tonnymuchui]

Done