BIP 72: Sett Vaults and ibBTC Fee Restructuring

TL;DR:

• Reduce the standard withdrawal fee from 0.5% to 0.1% • Change ibBTC fees from Mint 0.2% + Redeem 0.1% to Mint 0% + Redeem 0.2% • Use up to 100% of “excess ibBTC yield” from BIP 68 to support driving DAO revenue

Forum Discussion: https://forum.badger.finance/t/bip-72-sett-vaults-and-ibbtc-fee-restructuring/5053