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/printer/human/simple_writer.go

@@ -0,0 +1,23 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package human
+
+import (
+	"fmt"
+	"io"
+)
+
+type SimpleWriter struct {
+	out io.Writer
+}
+
+func (w *SimpleWriter) Write(e LogEntry) {
+	fmt.Fprintln(w.out, e)
+}
+
+func NewSimpleWriter(out io.Writer) *SimpleWriter {
+	w := new(SimpleWriter)
+	w.out = out
+	return w
+}