Updated readme.

Author: a_isachenkov

README.md

@@ -1,3 +1,10 @@
+# Docker image for Statsd with Zabbix backend
+
+This image contains statsd daemon with zabbix backend.
+
+* statsd repository: https://github.com/etsy/statsd
+* statsd zabbix backend repository: https://github.com/parkerd/statsd-zabbix-backend
+
 ## Quick Start
 
 You can run this container by command like:
@@ -17,9 +24,12 @@ docker run -d \
  --name statsd \
  --restart=always \
  -p 8125:8125/udp \
- -v /path/to/config/directory:/statsd \
+ -v /path/to/config/directory/config.js:/statsd/config.js \
  def1ne/docker-statsd-zabbix-backend
 ```
 
 2125 - statsd udp port
 
+* statsd config reference: https://github.com/etsy/statsd/blob/master/exampleConfig.js
+* statsd zabbix backend config reference: https://github.com/parkerd/statsd-zabbix-backend#configuration
+