Replace badges with cover image in README

Author: TorstenDittmann

README.md

@@ -1,10 +1,6 @@
 # launch.css
 
-<p align="center">
-  <img src="https://img.shields.io/npm/v/launch.css?style=flat-square" alt="npm version">
-  <img src="https://img.shields.io/npm/dt/launch.css?style=flat-square" alt="npm downloads">
-  <img src="https://img.shields.io/github/license/TorstenDittmann/launch.css?style=flat-square" alt="license">
-</p>
+![cover](cover.jpeg)
 
 > A classless CSS framework built for speed. Style your website later—build it now.