PLT-3512 adding join/leave channel to the CLI (#3498)

* PLT-3512 adding join/leave channel to the CLI

* PLT-3512 adding list channels to the CLI

* PLT-3512 adding restore channel

* Adding make run-cli command

* Updating txt

* Fixing txt purposed by PMs

utils/diagnostic.go

@@ -19,6 +19,7 @@ const (
 	PROP_DIAGNOSTIC_DATABASE          = "db"
 	PROP_DIAGNOSTIC_OS                = "os"
 	PROP_DIAGNOSTIC_USER_COUNT        = "uc"
+	PROP_DIAGNOSTIC_TEAM_COUNT        = "tc"
 	PROP_DIAGNOSTIC_ACTIVE_USER_COUNT = "auc"
 	PROP_DIAGNOSTIC_UNIT_TESTS        = "ut"
 )