Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/cmd/mattermost/commands/version_test.go

@@ -0,0 +1,19 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package commands
+
+import (
+	"testing"
+)
+
+func TestVersion(t *testing.T) {
+	if testing.Short() {
+		t.Skip("skipping version test in short mode")
+	}
+
+	th := SetupWithStoreMock(t)
+	defer th.TearDown()
+
+	th.CheckCommand(t, "version")
+}