Removed AvoidStarImport Rule

Added JavaDocType Rule

event-driven-architecture/src/main/java/com/iluwatar/eda/framework/Handler.java

@@ -25,6 +25,7 @@ package com.iluwatar.eda.framework;
 /**
  * This interface can be implemented to handle different types of messages.
  * Every handler is responsible for a single of type message
+ * @param <E> Handler can handle events of type E
  */
 public interface Handler<E extends Event> {
 
@@ -35,4 +36,4 @@ public interface Handler<E extends Event> {
    * @param event the {@link Event} object to be handled.
    */
   void onEvent(E event);
-}
+}