Add a Rules Page for Deal or No Deal

[kennethbigler]

Is your feature request related to a problem? Please describe.
Some users find the Deal or No Deal page confusing and not intuitive.

Describe the solution you'd like
It would be great to create a modal that describes the rules of Deal or No Deal. See the Blackjack page as a reference.

Describe alternatives you've considered
N/A

Additional context

/* DealOrNoDeal  ->  Header
 *              |->  Board  ->  Case
 *              |->  Modal  ->  Money */