Update README.md

Author: neilime

README.md

@@ -1,5 +1,6 @@
 # Php CSS Lint
 
+[![License](https://poser.pugx.org/neilime/php-css-lint/license)](https://packagist.org/packages/neilime/php-css-lint)
 [![Build Status](https://travis-ci.org/neilime/php-css-lint.png?branch=master)](https://travis-ci.org/neilime/php-css-lint)
 [![Coverage Status](https://coveralls.io/repos/github/neilime/php-css-lint/badge.svg)](https://coveralls.io/github/neilime/php-css-lint)
 [![Latest Stable Version](https://poser.pugx.org/neilime/php-css-lint/v/stable.png)](https://packagist.org/packages/neilime/php-css-lint)