/// <summary>Saves a <see cref="Course"/> to disk.</summary>
/// <param name="newCourse"><see cref="Course"/> to be saved to disk</param>
public static void NewCourse(Course newCourse)
{
JSONInteraction.WriteCourse(newCourse);
AllCourses.Add(newCourse);
AllCourses = AllCourses.OrderBy(course => course.Number).ToList();
}
