Simplify Bullfight (C#) folder structure

17_Bullfight/csharp/Action.cs

@@ -0,0 +1,24 @@
+namespace Game
+{
+    /// <summary>
+    /// Enumerates the different actions that the player can take on each round
+    /// of the fight.
+    /// </summary>
+    public enum Action
+    {
+        /// <summary>
+        /// Dodge the bull.
+        /// </summary>
+        Dodge,
+
+        /// <summary>
+        /// Kill the bull.
+        /// </summary>
+        Kill,
+
+        /// <summary>
+        /// Freeze in place and don't do anything.
+        /// </summary>
+        Panic
+    }
+}