Fix 0 shot for new defense

07_Basketball/csharp/Shot.cs

@@ -15,12 +15,13 @@ public class Shot
         {
             // Although the game instructions reference two different jump shots,
             // the original game code treats them both the same and just prints "Jump shot"
+            0 => null,
             <= 2 => new JumpShot(),
             3 => new Shot("Lay up"),
             4 => new Shot("Set shot"),
             _ => null
         };
-        return shot is not null;
+        return shotNumber == 0 || shot is not null;
     }
 
     public static Shot Get(float shotNumber) =>