sneed_sns_dapp

Updated sns_governance variable with principal of new Sneed SNS Governance canister fi3zi-fyaaa-aaaaq-aachq-cai

Added sns_init.yaml for creation of SNS proposal

New production canister ids for dapp frontend and backend

Replaced Principal.isController checks with new IsAdmin check that also permits calls from SNS Governance canister (for invoking generic functions on dApp via DAO propositions)

Merge branch 'main' of https://github.com/icsneed/sneed_sns_dapp into main