introduced method for subclasses to be able to add functionality after the loading bar "finished"

zeitlaeufer/src/main/java/de/szimnau/zeitlaeufer/AbstractLoadingBar.java

@@ -129,12 +129,16 @@ public abstract class AbstractLoadingBar {
          passedMinutes++;
       }
       println(fillLoadingBar(passedMinutes, false));
+      afterShowLoadingBar();
    }
 
 
    protected abstract String fillLoadingBar(long passedMinutes, boolean progressive);
 
 
+   protected void afterShowLoadingBar() {}
+
+
    protected void waitUntilNextMinute() {
       waitUntilNextMinute(false, 0L);
    }