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_sampledata.rst

@@ -0,0 +1,79 @@
+.. _mmctl_sampledata:
+
+mmctl sampledata
+----------------
+
+Generate sample data
+
+Synopsis
+~~~~~~~~
+
+
+Generate a sample data file and store it locally, or directly import it to the remote server
+
+::
+
+  mmctl sampledata [flags]
+
+Examples
+~~~~~~~~
+
+::
+
+    # you can create a sampledata file and store it locally
+    $ mmctl sampledata --bulk sampledata-file.jsonl
+
+    # or you can simply print it to the stdout
+    $ mmctl sampledata --bulk -
+
+    # the amount of entities to create can be customized
+    $ mmctl sampledata -t 7 -u 20 -g 4
+
+    # the sampledata file can be directly imported in the remote server by not specifying a --bulk flag
+    $ mmctl sampledata
+
+    # and the sample users can be created with profile pictures
+    $ mmctl sampledata --profile-images ./images/profiles
+
+Options
+~~~~~~~
+
+::
+
+  -b, --bulk string                    Optional. Path to write a JSONL bulk file instead of uploading into the remote server.
+      --channel-memberships int        The number of sample channel memberships per user in a team. (default 5)
+      --channels-per-team int          The number of sample channels per team. (default 10)
+      --deactivated-users int          The number of deactivated users.
+      --direct-channels int            The number of sample direct message channels. (default 30)
+      --group-channels int             The number of sample group message channels. (default 15)
+  -g, --guests int                     The number of sample guests. (default 1)
+  -h, --help                           help for sampledata
+      --posts-per-channel int          The number of sample post per channel. (default 100)
+      --posts-per-direct-channel int   The number of sample posts per direct message channel. (default 15)
+      --posts-per-group-channel int    The number of sample posts per group message channel. (default 30)
+      --profile-images string          Optional. Path to folder with images to randomly pick as user profile image.
+  -s, --seed int                       Seed used for generating the random data (Different seeds generate different data). (default 1)
+      --team-memberships int           The number of sample team memberships per user. (default 2)
+  -t, --teams int                      The number of sample teams. (default 2)
+  -u, --users int                      The number of sample users. (default 15)
+
+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
+