tools/mmgotool: move into monorepo (#24010)

tools/mmgotool/commands/root.go

@@ -0,0 +1,21 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package commands
+
+import (
+	"github.com/spf13/cobra"
+)
+
+type Command = cobra.Command
+
+func Run(args []string) error {
+	RootCmd.SetArgs(args)
+	return RootCmd.Execute()
+}
+
+var RootCmd = &cobra.Command{
+	Use:   "mmgotool",
+	Short: "Mattermost dev utils cli",
+	Long:  `Mattermost cli to help in the development process`,
+}