add gitignore

src/App.java

@@ -4,7 +4,7 @@ public class App
 {
     public static void main( String[] args )
     {
-        String url = "http://localhost:8080/PersonService";
+        String url = "http://localhost:8080/PersonWebService";
         Endpoint.publish(url, new PersonWebService());
     }
 }