/// <summary>
 /// Starts the quit command of the application which should be called on a view to close the application.
 /// </summary>
 /// <param name="db">Optional location of database in case extra handling is required.
 /// (e.g. persisting changes before quitting)</param>
 /// <param name="view">The view on which the quit command is called.</param>
 internal static void Quit(IRepository <User> db, IAdminView view)
 {
     view.QuitView();
 }