Update index.html.md
As discussed in Cancun, here is the Merge Request to implement the new routing rules. I just replaced the URL to the Routing Doc which is here: https://docs.google.com/document/d/1vqMowmhm9MWY1zUCL2G574m-p3X1b8QoQafyptiRDBE/edit
Let me know any comments before we merge it.