Allow playing identical cards as pairs #7
Description
Currently only single cards can be played. But when there are two or more identical cards in the hand (face and suit) it should be possible to play them all in one go. Programmatically this could be done with two consecutive plays, where the first play transitions to a state that allows the play of that and only that second card. Alternatively it could be done by allowing playing multiple cards at once. This might be better from a user's perspective.