missing gaTrackingID

api/config/default.php

@@ -223,5 +223,6 @@ return array(
 	'sandbox' => 'allow-presentation,allow-forms,allow-same-origin,allow-pointer-lock,allow-scripts,allow-popups,allow-modals,allow-top-navigation',
 	'description' => 'Organizr - Accept no others',
 	'debugErrors' => true,
-	'healthChecksURL' => 'https://healthchecks.io/api/v1/checks/'
+	'healthChecksURL' => 'https://healthchecks.io/api/v1/checks/',
+	'gaTrackingID' => ''
 );