Added logo image

Author: Munter

README.md

@@ -6,6 +6,8 @@ unexpected-dom
 [![Coverage Status](https://img.shields.io/coveralls/Munter/unexpected-dom.svg?style=flat)](https://coveralls.io/r/Munter/unexpected-dom?branch=master)
 [![Dependency Status](https://david-dm.org/Munter/unexpected-dom.svg)](https://david-dm.org/Munter/unexpected-dom)
 
+![Unexpected Dom Perignon](https://raw.githubusercontent.com/Munter/unexpected-dom/master/documentation/unexpectedDom.jpg)
+
 A plugin for [unexpected](https://unexpectedjs.github.io/) that adds custom assertions form DOM elements.
 
 The aim is to lower the amount of mocking around in the DOM in your tests and keep your tests easily readable while providing a high powered set of functionality with unsurpassed error messages.