Add game class

25_Chief/csharp/Game.cs

@@ -0,0 +1,16 @@
+namespace Chief;
+
+internal class Game
+{
+    private readonly IReadWrite _io;
+
+    public Game(IReadWrite io)
+    {
+        _io = io;
+    }
+
+    internal void Play()
+    {
+
+    }
+}