Added screenshot

Author: jamesqquick

ReadMe.md

@@ -1,6 +1,6 @@
 # Build a Quiz App with HTML, CSS, and JavaScript
 
-![images/homescreen.png](Home Screen)
+![Home Screen](./images/homescreen.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!