Mention WebVR in introduction;

Author: bjornbytes

docs/Introduction.md

@@ -19,8 +19,8 @@ project without restrictions, and even modify the framework if you need to.
 
 LÖVR is really fast.  It's written in C and uses LuaJIT, an incredibly fast Lua implementation.
 
-Under the hood LÖVR uses OpenVR, so both the HTC Vive and the Oculus Rift are supported.  Support
-for other headsets is also in the works.
+Under the hood LÖVR uses OpenVR, so both the HTC Vive and the Oculus Rift are supported.  There is
+also a WebVR export tool that can be found [here](/share).
 
 Example
 ---