Simplify Craps (C#) folder structure

29_Craps/csharp/Craps/Program.cs

@@ -0,0 +1,51 @@
+using System.Diagnostics;
+
+
+
+namespace Craps
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            var ui = new UserInterface();
+            var game = new CrapsGame(ref ui);
+            int winnings = 0;
+
+            ui.Intro();
+
+            do 
+            {
+	            var bet = ui.PlaceBet();
+                var result = game.Play(out int diceRoll);
+
+                switch (result)
+                {
+                    case Result.naturalWin:
+                        winnings += bet;
+                        break;
+
+                    case Result.naturalLoss:
+                    case Result.snakeEyesLoss:
+                    case Result.pointLoss:
+                        winnings -= bet;
+                        break;
+
+                    case Result.pointWin:
+                        winnings += (2 * bet);
+                        break;
+
+                    // Include a default so that we will be warned if the values of the enum
+                    // ever change and we forget to add code to handle the new value.
+                    default:
+                        Debug.Assert(false); // We should never get here.
+                        break;
+                }
+
+                ui.ShowResult(result, diceRoll, bet);
+            } while (ui.PlayAgain(winnings));
+
+            ui.GoodBye(winnings);
+        }
+    }
+}