chore: copy elk setup from docker-elk git repo

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

logstash/pipeline/logstash.conf

@@ -0,0 +1,19 @@
+input {
+	beats {
+		port => 5044
+	}
+
+	tcp {
+		port => 50000
+	}
+}
+
+## Add your filters / logstash plugins configuration here
+
+output {
+	elasticsearch {
+		hosts => "elasticsearch:9200"
+		user => "logstash_internal"
+		password => "${LOGSTASH_INTERNAL_PASSWORD}"
+	}
+}