added downloads per month badge

Author: MekDrop

README.md

@@ -1,7 +1,9 @@
 [![License](https://img.shields.io/github/license/imponeer/composer-custom-commands.svg?maxAge=2592000)](LICENSE)
  [![Build Status](https://travis-ci.org/imponeer/composer-custom-commands.svg?branch=master)](https://travis-ci.org/imponeer/composer-custom-commands) [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/imponeer/composer-custom-commands/badges/quality-score.png)](https://scrutinizer-ci.com/g/imponeer/composer-custom-commands/) 
 [![PHP from Packagist](https://img.shields.io/packagist/php-v/imponeer/composer-custom-commands.svg)](https://php.net) 
-[![Packagist](https://img.shields.io/packagist/v/imponeer/composer-custom-commands.svg)](https://packagist.org/packages/imponeer/composer-custom-commands)
+[![Packagist](https://img.shields.io/packagist/v/imponeer/composer-custom-commands.svg)](https://packagist.org/packages/imponeer/composer-custom-commands) 
+[![Packagist](https://img.shields.io/packagist/dm/imponeer/composer-custom-commands.svg)](https://packagist.org/packages/imponeer/composer-custom-commands)
+
 
 # Composer Custom Commands