Readme: add gitter badge

Author: f3l1x

readme.md README.mdreadme.md renamed to README.md

@@ -1,16 +1,23 @@
 # Normgen
 
+Tool for generating entities for [Nextras\ORM](https://github.com/nextras/orm).
+
+-----
+
 [![Build Status](https://img.shields.io/travis/minetro/normgen.svg?style=flat-square)](https://travis-ci.org/minetro/normgen)
 [![Code coverage](https://img.shields.io/coveralls/minetro/normgen.svg?style=flat-square)](https://coveralls.io/r/minetro/normgen)
 [![Downloads this Month](https://img.shields.io/packagist/dm/minetro/normgen.svg?style=flat-square)](https://packagist.org/packages/minetro/normgen)
 [![Latest stable](https://img.shields.io/packagist/v/minetro/normgen.svg?style=flat-square)](https://packagist.org/packages/minetro/normgen)
 [![HHVM Status](https://img.shields.io/hhvm/minetro/normgen.svg?style=flat-square)](http://hhvm.h4cc.de/package/minetro/normgen)
 
-Tool for generating entities for Nextras ORM.
+## Discussion / Help
+
+[![Join the chat at https://gitter.im/Markette/Gopay](https://img.shields.io/gitter/room/minetro/nette.svg?style=flat-square)](https://gitter.im/minetro/nette?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 ## Install
+
 ```sh
-$ composer require minetro/normgen:dev-master
+composer require minetro/normgen:dev-master
 ```
 
 ## ORM