Update MainApp.java

Author: zormad9

src/main/java/core/basesyntax/MainApp.java

@@ -2,6 +2,7 @@
 
 public class MainApp {
     public static void main(String[] args) {
+        
         Machine[] machines = {new Truck(), new Bulldozer(), new Excavator()};
         for (Machine machine : machines) {
             machine.doWork();