Add 'InterCity Group' on 'In the Wild' list

Author: diegoteliz

README.md

@@ -3243,6 +3243,7 @@ Other Style Guides
   - **Huballin**: [huballin/javascript](https://github.com/huballin/javascript)
   - **HubSpot**: [HubSpot/javascript](https://github.com/HubSpot/javascript)
   - **Hyper**: [hyperoslo/javascript-playbook](https://github.com/hyperoslo/javascript-playbook/blob/master/style.md)
+  - **InterCity Group**: [intercitygroup/javascript-style-guide](https://github.com/intercitygroup/javascript-style-guide)
   - **Jam3**: [Jam3/Javascript-Code-Conventions](https://github.com/Jam3/Javascript-Code-Conventions)
   - **JeopardyBot**: [kesne/jeopardy-bot](https://github.com/kesne/jeopardy-bot/blob/master/STYLEGUIDE.md)
   - **JSSolutions**: [JSSolutions/javascript](https://github.com/JSSolutions/javascript)