Add a documentation link to the readme
Also, clarify what "reference" goes to.
@@ -63,7 +63,9 @@ Lily is a very young language and the community is still growing.
## Resources
-* [Reference](https://Fascinatedbox.github.com/lily/core/module.core.html)
+* [Documentation](https://FascinatedBox.github.io/lily/)
+
+* [Builtin module reference](https://Fascinatedbox.github.com/lily/core/module.core.html)
* [Try it in your browser](http://fascinatedbox.github.io/lily/intro-sandbox.html)
