FIP-64: Add wstETH to the FeiRari

Summary Add wstETH to Rari Capital Fuse Pool #8 “FeiRari” at a collateralization ratio of 80%.

Motivation

wstETH is a low-risk asset that allows ETH holders to gain staking rewards on their ETH. Whitelisting wstETH makes the FeiRari more capital efficient, as ETH holders can now gain additional yield on their collateral.

Specification Add wstETH to Fuse Pool #8 “FeiRari” with 80% LTV.