Create an actor system setup for the given serializer registry.
This is only useful if you don't want to modify the configuration of the actor system in any way, if you do,
then you should instead use #serializationSetupFor, and manually create your own ActorSystemSetup from
Create a serializer setup for the given serializer registry.
This is only useful if you only want to register the play-json serializer and its registry, if you want to
register other Akka serializers, then you should create your own serialization setup.
Create the serializer details for the given serializer registry.