Update readme

Signed-off-by: Adrián Moreno <adrian@morenomartinez.com>

README.md

@@ -1,10 +1,39 @@
 # jmeter-backend-azure
 
+![Java CI](https://github.com/adrianmo/jmeter-backend-azure/workflows/Java%20CI/badge.svg)
+
 A JMeter plug-in that enables you to send test results to Azure Application Insights.
 
 ## Overview
 
 ### Description
 
-JMeter Backend Azure is a JMeter plugin enabling you to send test results to an Azure Application Insights. It is inspired in the [Elasticsearch](https://github.com/delirius325/jmeter-elasticsearch-backend-listener) and [Kafka](https://github.com/rahulsinghai/jmeter-backend-listener-kafka) backend listener plugins. 
+JMeter Backend Azure is a JMeter plugin enabling you to send test results to an Azure Application Insights. This plugin is inspired in the [Elasticsearch](https://github.com/delirius325/jmeter-elasticsearch-backend-listener) and [Kafka](https://github.com/rahulsinghai/jmeter-backend-listener-kafka) backend listener plugins. 
+
+### Build
+
+- To build the artifact, execute below Maven command. Make sure `JAVA_HOME` is set properly.
+
+```bash
+mvn clean package
+```
+
+- Move the resulting JAR to your `JMETER_HOME/lib/ext`.
+
+```bash
+mv target/jmeter.backendlistener.azure-VERSION.jar $JMETER_HOME/lib/ext/
+```
+
+- Restart JMeter
+
+### Configuring jmeter-backend-azure plug-in
+
+- In your **Test Pan**, right click on **Thread Group** > Add > Listener > Backend Listener
+- Choose `io.github.adrianmo.jmeter.backendlistener.azure.AzureBackendClient` as `Backend Listener Implementation`.
+- Specify the Application Insights instrumentation key as a parameter as shown in image below: 
+
+![Screenshot of configuration](docs/configuration.png "Screenshot of configuration")
+
+## Contributing
 
+Feel free to contribute by branching and making pull requests, or simply by suggesting ideas through the "Issues" tab.