Add link to wiki

Author: James Hagborg

README.md

@@ -6,6 +6,8 @@ Team HYPER #69 Enhancements to WPILib
 
 Documentation is available on the [project website](https://teamhyper.github.io/hyperLib).
 
+Also check out the [wiki](https://github.com/teamhyper/hyperlib/wiki).
+
 Decided to use [semantic versioning](http://semver.org/), so the
 pre-releases will be numbered 0.x.y in some ad-hoc way, and then once
 we settle on an API, we will use MAJOR_VERSION.MINOR_VERSION.PATCH.