[Aave-80] Add CVX to Aave V2

This MetaGovernance vote is for voting on Aave's latest proposal using Index Products.

The quorum for this vote is 213,760 INDEX - 5% Circulating Supply.

Index Coop can vote with the ~78k AAVE which is ~30 % of the AAVE proposal quorum locked in the DeFi Pulse Index.

Please review the forum discussion here and the on-chain vote of the proposal here in the link below;