Updates on cli reference documentation

- Update ps with `--last` flag
- Update commands with current output
- Make sure hugo does not detect the wrong language
- Update usage for `tag` command to be more coherent with the other ones

Signed-off-by: Vincent Demeester <vincent@sbr.pm>

docs/reference/commandline/service_create.md

@@ -12,7 +12,7 @@ parent = "smn_cli"
 # service create
 
 ```Markdown
-Usage:	docker service create [OPTIONS] IMAGE [COMMAND] [ARG...]
+Usage:  docker service create [OPTIONS] IMAGE [COMMAND] [ARG...]
 
 Create a new service
 
@@ -29,6 +29,7 @@ Options:
       --name string                  Service name
       --network value                Network attachments (default [])
   -p, --publish value                Publish a port as a node port (default [])
+      --registry-auth                Send registry authentication details to Swarm agents
       --replicas value               Number of tasks (default none)
       --reserve-cpu value            Reserve CPUs (default 0.000)
       --reserve-memory value         Reserve Memory (default 0 B)