Update readme

Author: jessabean

README.md

@@ -31,6 +31,8 @@ You can also view this list [on the web](http://jessica-eldredge.com/100-days-of
   - [website](http://jessica-eldredge.com/cat-viewer/) | [Github](https://github.com/jessabean/cat-viewer)
 8. **Secret Santa** - No more drawing names from a hat! My first project to introduce JS testing with Mocha and Chai.
   - [website](http://jessica-eldredge.com/secret-santa-js/) | [Github](https://github.com/jessabean/secret-santa-js)
+9. **Whack-a-Penguin** - A game inspired by [Coder Projects' Pop-up Penguin](https://googlecreativelab.github.io/coder-projects/projects/pop_up_penguins/)
+  - [Github](https://github.com/jessabean/whack-a-penguin)
 
 ## Backlog of project ideas and improvements and things to learn