chore: copy elk setup from docker-elk git repo

https://github.com/deviantony/docker-elk

logstash/config/logstash.yml

@@ -0,0 +1,7 @@
+---
+## Default Logstash configuration from Logstash base image.
+## https://github.com/elastic/logstash/blob/main/docker/data/logstash/config/logstash-full.yml
+#
+http.host: 0.0.0.0
+
+node.name: logstash