Rework Session Types: Lesson, Shift

new event type, duplicate of Barn Shift (treated the same) Lesson Volunteers (volunteer shift?) - need name for this Barn Shift = Shift (meant for assigning staff and volunteers only to) Therapeutic Riding, Groundwork, Private Lesson, Group Lesson = Lesson (meant for assigning participant-horse-guardians to)

new event type, duplicate of Barn Shift (treated the same) Lesson Volunteers (volunteer shift?) - need name for this Barn Shift = Shift (meant for assigning staff and volunteers only to) Therapeutic Riding, Groundwork, Private Lesson, Group Lesson = Lesson (meant for assigning participant-horse-guardians to)