public ActionResult <TasksList> PostNewList(string name)
        {
            TasksList createdList = tasksListService.CreateList(name);

            return(Created($"/lists/{createdList.tasksListId}", createdList));
        }
        public ActionResult <TaskList <Task> > AddList(string name)
        {
            TaskList <Task> createdList = tasksListService.CreateList(name);

            return(Created($"/lists/{createdList.id}", createdList));
        }