A varint prefixed framing format is defined for transport messages for
mgrpc. We may make changes to include a more structured frame, but this
initial work can be used to validate the concepts.
Signed-off-by: Stephen J Day <stephen.day@docker.com>
Set the stage for the example server by including a service definition,
generated code and the protobuild definition file used to generate them.
From here, we can work up to a generated mgrpc server.
Signed-off-by: Stephen J Day <stephen.day@docker.com>