README.md: rearranged and added readthedocs badge

README.md

@@ -1,9 +1,17 @@
 # Elasticsearch, Logstash, Kibana (ELK) Docker image
 
-[![](https://badge.imagelayers.io/sebp/elk:latest.svg)](https://imagelayers.io/?images=sebp/elk:latest 'Get your own badge on imagelayers.io')
+[![](https://badge.imagelayers.io/sebp/elk:latest.svg)](https://imagelayers.io/?images=sebp/elk:latest 'Get your own badge on imagelayers.io') [![Documentation Status](https://readthedocs.org/projects/elk-docker/badge/?version=latest)](http://elk-docker.readthedocs.io/?badge=latest)
 
 This Docker image provides a convenient centralised log server and log management web interface, by packaging Elasticsearch, Logstash, and Kibana, collectively known as ELK.
 
+### Documentation
+
+See the [ELK Docker image documentation web page](http://elk-docker.readthedocs.io/) for complete instructions on how to use this image.
+
+### Docker Hub
+
+This image is hosted on Docker Hub at [https://hub.docker.com/r/sebp/elk/](https://hub.docker.com/r/sebp/elk/).
+
 The following tags are available:
 
 - `latest`, `562`: ELK 5.6.2.
@@ -78,14 +86,6 @@ The following tags are available:
 
 **Note** – See the documentation page for more information on pulling specific combinations of versions of Elasticsearch, Logstash and Kibana.
 
-### Documentation
-
-See the [ELK Docker image documentation web page](http://elk-docker.readthedocs.io/) for complete instructions on how to use this image.
-
-### Docker Hub
-
-This image is hosted on Docker Hub at [https://hub.docker.com/r/sebp/elk/](https://hub.docker.com/r/sebp/elk/).
-
 ### About
 
 Written by [Sébastien Pujadas](https://pujadas.net), released under the [Apache 2 license](https://www.apache.org/licenses/LICENSE-2.0).