Add optional navbar / menu bar
diff --git a/config.php.example b/config.php.example
index cef86ee..d708a90 100755
--- a/config.php.example
+++ b/config.php.example
@@ -24,6 +24,7 @@
 $SERVICE_LOGO = "./static/Test_Logo.svg";
 $SERVICE_NAME = "International Test Corpus";
 $SERVICE_COLOR = "#FF973A";
+// $MENU_BAR = "menubar.html";
 
 $REGULAR_CONFERENCE_FEE = 280;
 $EARLYBIRD_CONFERENCE_FEE = 240;