Add Hyper to the “in the wild” list in README

Author: sindrenm

README.md

@@ -2146,6 +2146,7 @@ Other Style Guides
   - **Grooveshark**: [grooveshark/javascript](https://github.com/grooveshark/javascript)
   - **How About We**: [howaboutwe/javascript](https://github.com/howaboutwe/javascript)
   - **Huballin**: [huballin/javascript](https://github.com/huballin/javascript)
+  - **Hyper**: [hyperoslo/javascript-playbook](https://github.com/hyperoslo/javascript-playbook/blob/master/style.md)
   - **InfoJobs**: [InfoJobs/JavaScript-Style-Guide](https://github.com/InfoJobs/JavaScript-Style-Guide)
   - **Intent Media**: [intentmedia/javascript](https://github.com/intentmedia/javascript)
   - **Jam3**: [Jam3/Javascript-Code-Conventions](https://github.com/Jam3/Javascript-Code-Conventions)