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/channels/app/users/constants.go

@@ -0,0 +1,12 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package users
+
+const (
+	TokenTypePasswordRecovery = "password_recovery"
+	TokenTypeVerifyEmail      = "verify_email"
+	TokenTypeTeamInvitation   = "team_invitation"
+	TokenTypeGuestInvitation  = "guest_invitation"
+	InvitationExpiryTime      = 1000 * 60 * 60 * 48 // 48 hours
+)