[BIP-928] Orderly Winddown of Balancer and Distribution of the Treasury

Summary

How this vote is counted. - The two Yes options are added together: the proposal passes if their sum is greater than No, with quorum counted over all votes cast. Between the two Yes options, the one with more votes sets the tetuBAL fraction; if they tie, it is 50%. ## TL;DR - I propose an orderly winddown of Balancer: no new business development, a phased sunset of the protocol with a defined exit window, and the DAO closed to the extent legally and practically possible. - The treasury goes...