Merge pull request lsjostro#3 from markyjackson-taulia/develop

Rebase and adding documentation

README.md

@@ -1,8 +1,14 @@
 # Jenkins Prometheus Metrics Plugin
 
+[![Join the chat at https://gitter.im/jenkinsci/prometheus-plugin](https://badges.gitter.im/jenkinsci/prometheus-plugin.svg)](https://gitter.im/jenkinsci/prometheus-plugin?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+
 ## About
 Jenkins Prometheus Plugin expose an endpoint (default `/prometheus`) with metrics where a Prometheus Server can scrape.
 
+Documentation can be found [here](https://plugins.jenkins.io/prometheus)
+
+Please note that the documentation is a WIP.
+
 ## Metrics exposed
 Currently only metrics from the [Metrics-plugin](https://github.com/jenkinsci/metrics-plugin) and summary of build
 duration of jobs and pipeline stages