add badges

Author: LordSimal

Diff for: README.md

@@ -1,6 +1,6 @@
 # Custom HTML Elements
 
-[![Latest Stable Version](http://poser.pugx.org/lordsimal/custom-html-elements/v)](https://packagist.org/packages/lordsimal/custom-html-elements) [![Total Downloads](http://poser.pugx.org/lordsimal/custom-html-elements/downloads)](https://packagist.org/packages/lordsimal/custom-html-elements) [![Latest Unstable Version](http://poser.pugx.org/lordsimal/custom-html-elements/v/unstable)](https://packagist.org/packages/lordsimal/custom-html-elements) [![License](http://poser.pugx.org/lordsimal/custom-html-elements/license)](https://packagist.org/packages/lordsimal/custom-html-elements) [![PHP Version Require](http://poser.pugx.org/lordsimal/custom-html-elements/require/php)](https://packagist.org/packages/lordsimal/custom-html-elements)
+[![Latest Stable Version](http://poser.pugx.org/lordsimal/custom-html-elements/v)](https://packagist.org/packages/lordsimal/custom-html-elements) [![Total Downloads](http://poser.pugx.org/lordsimal/custom-html-elements/downloads)](https://packagist.org/packages/lordsimal/custom-html-elements) [![Latest Unstable Version](http://poser.pugx.org/lordsimal/custom-html-elements/v/unstable)](https://packagist.org/packages/lordsimal/custom-html-elements) [![License](http://poser.pugx.org/lordsimal/custom-html-elements/license)](https://packagist.org/packages/lordsimal/custom-html-elements) [![PHP Version Require](http://poser.pugx.org/lordsimal/custom-html-elements/require/php)](https://packagist.org/packages/lordsimal/custom-html-elements)[![codecov](https://codecov.io/gh/LordSimal/custom-html-elements/graph/badge.svg?token=dMo14KjnhP)](https://codecov.io/gh/LordSimal/custom-html-elements)
 
 Allows you to create custom HTML elements to render more complex template parts with a simpler HTML representation