Round 1 vsToken(BNC) governance redemption - public proposal #20

For details on vsToken(BNC) governance redemption rules, please refer to:
https://forum.bifrost.finance/t/first-round-of-buybacks-for-vsksm-vstoken-bnc-governance-redemption-rules/1769

Since the end of August, we have received a governance redemption request.This governance will destroy the vsToken of the corresponding address and transfer the corresponding amount of KSM from the treasury to the corresponding destruction address.