Model
NOTE
we store all of these types into the datastore.
Laters has 3 main types it uses in order to do its work

Job- This is an instance of a single job, which has been queued to be processedCronJob- this is a re-occurring job, which contains how often to create a new Job instance based on a CRONLeader- there is only one entry for leader, and it represents the node that is acting as leader (won the leader election)
