Docs and manual changes

- for service create on node-local networks

Signed-off-by: Alessandro Boch <aboch@docker.com>

docs/reference/commandline/network_create.md

@@ -37,6 +37,9 @@ Options:
   -o, --opt value            Set driver specific options (default map[])
       --subnet value         Subnet in CIDR format that represents a
                              network segment (default [])
+      --scope value          Promote a network to swarm scope (value = [ local | swarm ])
+      --config-only          Creates a configuration only network
+      --config-from          The name of the network from which copying the configuration
 ```
 
 ## Description