Added cover image

Author: jamesqquick

ReadMe.md

@@ -1,6 +1,6 @@
 # Build a Quiz App with HTML, CSS, and JavaScript
 
-![Home Screen](./images/homescreen.png)
+![Home Screen](./images/cover.png)
 
 Want to improve your **core Web Develoment skills**? Want to improve your knowledge of **HTML, CSS, and JavaScript**? In this course, you're going to learn how to build a Quiz application **without the assistance of libraries or frameworks**. Here are some of the topic we will cover!