feat: adds NoSponsorsException.java

Author: TatsuyaRyujin

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/evanphilakhong/NoSponsorsException.java

@@ -0,0 +1,7 @@
+package com.codedifferently.lesson16.evanphilakhong;
+
+public class NoSponsorsException extends Exception {
+    public NoSponsorsException(String message) {
+        super(message);
+    } 
+}