Proposal: Create a ySNX vault to stake on Mintr

[CryptoCap]

YIP 34: Add Synthetix (SNX) to yVaults

Summary: Add Synthetix (SNX) as the second volatile asset to be used as collateral in delegated yVaults. Abstract: Add Synthetix (SNX) as the second volatile asset to be used as collateral in delegated yVaults. Motivation: Additional assets are necessary in order to generate more revenue for the protocol and grow the ecosystem. This proposal nominates SNX as the second volatile asset to be used as collateral. While other tokens have polled higher, the strategy for SNX has already been devel…