[2pt] - Create the GameClass

[laiifuu]

• Create a Game class in a separate .rb file.
• All Game class properties visible in the diagram should be defined and set up in the constructor method.
• can_be_archived?() in the Game class
  • should override the method from the parent class
  • should return true if parent's method returns true AND if last_played_at is older than 2 years
  • otherwise, it should return false