Update README.md (#8)

* Update README.md Co-Authored-By: uribarash <30976429+uribarash@users.noreply.github.com>
2019-01-16 14:53:53 +02:00 · 2019-01-16 14:53:53 +02:00 · 5e6681d96c
--- a/README.md
+++ b/README.md
@ -40,6 +40,7 @@ output {
 	}
 }
 ```
+More information about configuring Logstash can be found in the [logstash configuration guide](https://www.elastic.co/guide/en/logstash/current/configuration.html)

 ### Available Configuration Keys