Cards are to be shuffled on load or restart
Game should know how to handle matched and unmatched cards
Game should display the current number of moves a user has made
When a player starts a game, a displayed timer should also start and once the player wins the game, the timer stops.
A restart button should allow the player reset the game board, the timer, and the star rating.
After game end show a button to play again and How much time it took, and star rating.
