Update README.md

Author: jhades

README.md

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 # Angular University Lessons Code
 Contains the code for all the Angular University courses.
 
+![Angular for Beginners course](https://angular-academy.s3.amazonaws.com/thumbnails/angular2-for-beginners-small.png)
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 # Installation pre-requisites
 
 This project has minimal dependencies, you only need node and npm installed on your machine. These are some tutorials to install node in different operating systems.