Fix style guide link

CONTRIBUTING.md

@@ -2,5 +2,5 @@
 
 Community driven development of this package is encouraged. To maintain code quality standards, please adhere to the following guidlines when contributing:
  - To get started, <a href="https://www.clahub.com/agreements/NREL/PowerSystems.jl">sign the Contributor License Agreement</a>.
- - Please do your best to adhere to our [coding style guide](docs/src/developer/style.md).
+ - Please do your best to adhere to our [coding style guide](https://nrel-sienna.github.io/InfrastructureSystems.jl/latest/style).
  - To submit code contributions, [fork](https://help.github.com/articles/fork-a-repo/) the repository, commit your changes, and [submit a pull request](https://help.github.com/articles/creating-a-pull-request-from-a-fork/).