calcHandScorethat returns a fixed number of points for now, e.g. 1.
calcHandScorewill take an array of card objects and return the number of points that the user scored for the cards in their hand.
calcHandScoreallows us to construct the primary game logic without worrying about hand-scoring logic.
calcHandScorewherever we wish to calculate the score of a given hand. This logic should include the following.
max-widthCSS property of the container so the layout is still friendly on a wider screen.