Add missing heading in ToC
@@ -35,6 +35,7 @@ core applications: https://status.twinnation.org/
- [Recommended interval](#recommended-interval)
- [Default timeouts](#default-timeouts)
- [Monitoring a TCP service](#monitoring-a-tcp-service)
+ - [Basic authentication](#basic-authentication)
- [disable-monitoring-lock](#disable-monitoring-lock)
