add avant to users

Author: brettjurgens

README.md

@@ -2482,6 +2482,7 @@ Other Style Guides
   - **Airbnb**: [airbnb/javascript](https://github.com/airbnb/javascript)
   - **Apartmint**: [apartmint/javascript](https://github.com/apartmint/javascript)
   - **Avalara**: [avalara/javascript](https://github.com/avalara/javascript)
+  - **Avant**: [avantcredit/javascript](https://github.com/avantcredit/javascript)
   - **Billabong**: [billabong/javascript](https://github.com/billabong/javascript)
   - **Bisk**: [bisk/javascript](https://github.com/Bisk/javascript/)
   - **Blendle**: [blendle/javascript](https://github.com/blendle/javascript)