Hearts: Add support for playing more than one hand

This changes the game so that more than one hand can be played. Once
one player has 100 or more points the game ends. A score card is shown
between each hand.

Fixes #7374.

Userland/Games/Hearts/CMakeLists.txt

@@ -4,6 +4,7 @@ set(SOURCES
     Game.cpp
     main.cpp
     Player.cpp
+    ScoreCard.cpp
     SettingsDialog.cpp
     HeartsGML.h
 )