Added timing to main app task

src/main/scala/nova/monadic_sfx/SFXActors.scala

@@ -75,14 +75,17 @@ object ScalaFXHelloWorld extends JFXApp with MainModule {
     }
     // _ <- fib1.join
   } yield ()
-  application.runToFuture
+  application.timed.runToFuture
     .onComplete(res =>
       res match {
         case Failure(exception) => {
           println("Application start failed. Reason -")
           exception.printStackTrace()
         }
-        case Success(value) => println("Application started Successfully")
+        case Success((duration, _)) =>
+          println(
+            s"Application started successfully in ${duration.toSeconds} seconds"
+          )
       }
     )