Consider supporting different shift types

[k8culver]

For example having 3 shift types per day like 6am - 2pm, 2pm - 10pm, and 10pm - 6am or a nurse type schedule like 7am-7pm and 7pm-7am.

One constraint to consider is no employee can work two shifts back to back or each employee can only one shift in 24 hours.

[JimLynchCodes]

Good idea @k8culver 👍

I would also like this example to be expanded to include more shifts per day, but I'm worried that locking everyone into predefined shifts in the model isn't flexible enough to support what happens in the real world sometimes.

What do you think of my idea of adding the concept of "hours" the solution- the hours each day that the store is open and that each employee would be available to work.