Restructure fees and align incentives

[mdesim01]

Somewhat related to the discussion here, as it deals with Yearn’s Treasury Vault and who governs capital allocation:

Department Treasury Vaults & Department Staking

Summary: This is a proposal to overhaul the current MultiSig scheme and replace it with a new Yearn Treasury Vault contract that periodically allocates a portion of protocol revenues to Department Treasury Vaults, controlled by Department stakers. Abstract: Replace Yearn Treasury Vault contract with a contract that periodically distributes a portion (currently a $500,000 reserve) to Department Treasury Vaults. The percentage allocation of YFI staked to each Department, through the Yearn Gove…