Creates a Zato server - all the directories needed
by a server and sets it up so it is ready to join a cluster. The directory pointed
to by parameter
path will be created if it does not exist.
cluster_name must be a name of
a cluster previously created using the zato create cluster command.
--jwt_secret must be secret keys previously generated
using the zato crypto create-secret-key command. Both
--jwt_secret must be the same for all servers in the same cluster.
After it is created, the server can be started using the zato start command.