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>
Upstream-commit: f4cfc6b9830ed236eb588d6a4dddca7455145e70
Component: engine

components/engine/docs/reference/commandline/plugin_disable.md

@@ -11,11 +11,14 @@ parent = "smn_cli"
 
 # plugin disable (experimental)
 
-    Usage: docker plugin disable PLUGIN
+```markdown
+Usage:  docker plugin disable PLUGIN
 
-    Disable a plugin
+Disable a plugin
 
-      --help             Print usage
+Options:
+      --help   Print usage
+```
 
 Disables a plugin. The plugin must be installed before it can be disabled,
 see [`docker plugin install`](plugin_install.md).