Formatted all files to the same standard

facade/src/main/java/com/iluwatar/DwarvenMineWorker.java

@@ -5,21 +5,21 @@ public abstract class DwarvenMineWorker {
 	public void goToSleep() {
 		System.out.println(name() + " goes to sleep.");
 	}
-	
+
 	public void wakeUp() {
 		System.out.println(name() + " wakes up.");
 	}
-	
+
 	public void goHome() {
 		System.out.println(name() + " goes home.");
 	}
-	
+
 	public void goToMine() {
 		System.out.println(name() + " goes to the mine.");
 	}
-	
+
 	public abstract void work();
-	
+
 	public abstract String name();
-	
+
 }