Includes mmctl into the mono-repo (#23091)

* Includes mmctl into the mono-repo

* Update to use the new public module paths

* Adds docs check to the mmctl CI

* Fix public utils import path

* Tidy up modules

* Fix linter

* Update CI tasks to use the new file structure

* Update CI references

server/cmd/mmctl/docs/mmctl_auth.rst

@@ -0,0 +1,47 @@
+.. _mmctl_auth:
+
+mmctl auth
+----------
+
+Manages the credentials of the remote Mattermost instances
+
+Synopsis
+~~~~~~~~
+
+
+Manages the credentials of the remote Mattermost instances
+
+Options
+~~~~~~~
+
+::
+
+  -h, --help   help for auth
+
+Options inherited from parent commands
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+::
+
+      --config string                path to the configuration file (default "$XDG_CONFIG_HOME/mmctl/config")
+      --disable-pager                disables paged output
+      --insecure-sha1-intermediate   allows to use insecure TLS protocols, such as SHA-1
+      --insecure-tls-version         allows to use TLS versions 1.0 and 1.1
+      --json                         the output format will be in json format
+      --local                        allows communicating with the server through a unix socket
+      --quiet                        prevent mmctl to generate output for the commands
+      --strict                       will only run commands if the mmctl version matches the server one
+      --suppress-warnings            disables printing warning messages
+
+SEE ALSO
+~~~~~~~~
+
+* `mmctl <mmctl.rst>`_ 	 - Remote client for the Open Source, self-hosted Slack-alternative
+* `mmctl auth clean <mmctl_auth_clean.rst>`_ 	 - Clean all credentials
+* `mmctl auth current <mmctl_auth_current.rst>`_ 	 - Show current user credentials
+* `mmctl auth delete <mmctl_auth_delete.rst>`_ 	 - Delete an credentials
+* `mmctl auth list <mmctl_auth_list.rst>`_ 	 - Lists the credentials
+* `mmctl auth login <mmctl_auth_login.rst>`_ 	 - Login into an instance
+* `mmctl auth renew <mmctl_auth_renew.rst>`_ 	 - Renews a set of credentials
+* `mmctl auth set <mmctl_auth_set.rst>`_ 	 - Set the credentials to use
+