Add creates a new MachineSet Controller and adds it to the Manager with default RBAC.

AutoScaleAnnotation is an annotation key that, when added to a MachineSet with any value, indicates that this controller should scale that MachineSet to equal the number of matching BareMetalHosts in the same namespace.

ReconcileMachineSet reconciles a MachineSet object.

TypedResourceVersionChangedPredicate implements a default update predicate function on resource version change.