Implement JavaFX music player features

src/main/java/sbu/javafx/Launcher.java

@@ -5,4 +5,6 @@ import javafx.application.Application;
 public class Launcher{
     public static void main(String[] args) {
         // TODO: Launch the JavaFX application by calling Application.launch(Main.class)    }
-}
+        Application.launch(MusicApp.class, args);
+
+    }}