Updated README

* Added badges
* Updated installation guide

CHANGELOG.md

@@ -5,6 +5,9 @@ All notable changes to this project will be documented in this file.
 [Added]
 - Added License
 
+[Changed]
+- Updated README
+
 [Fixed]
 - Fixed duplicate property
 

README.md

 # einfra-aai-proxy-idp-template
+[![Latest Stable Version](https://poser.pugx.org/cesnet/simplesamlphp-module-cesnet/v/stable)](https://packagist.org/packages/cesnet/simplesamlphp-module-cesnet)
+[![Latest Unstable Version](https://poser.pugx.org/cesnet/simplesamlphp-module-cesnet/v/unstable)](https://packagist.org/packages/cesnet/simplesamlphp-module-cesnet)
+[![CodeFactor](https://www.codefactor.io/repository/github/cesnet/einfra-aai-proxy-idp-template/badge/master)](https://www.codefactor.io/repository/github/cesnet/einfra-aai-proxy-idp-template/overview/master)
+[![License](https://poser.pugx.org/cesnet/simplesamlphp-module-cesnet/license)](https://packagist.org/packages/cesnet/simplesamlphp-module-cesnet)
+
 Template for CESNET eInfra Proxy IdP component
+
+## Instalation
+
+`php composer.phar require cesnet/simplesamlphp-module-cesnet`