McDonald’s is bringing back its Monopoly promotion Tuesday, giving customers a shot at prizes ranging from free food to $1 million in cash. The fast-food giant’s limited-time game returns Oct. 6 with its familiar peel-off pieces, but gameplay will now be handled through the McDonald’s app. Customers can peel a game piece from eligible food packaging and scan it in the app to redeem prizes or participate in additional games. The promotion comes w…