[PROPOSAL] HiveIO - updated link to document

[Madhusudan Borkar]

Please, use following link for the HiveIO proposal.

https://docs.google.com/document/d/1JOzihFiXkQjtv6rur8-vCixSK-
nHhIoIij9MwJZ_Dp0/edit?usp=sharing

Madhu Borkar