Feature Request: ENS for initialize voting delegate

[xrchz]

Please enter the delegate's address:
gov.ramana.eth

Invalid member address

don't make me type 0xB0De8cB8Dcc8c5382c4b7F3E978b491140B2bC55 out :'(

[jshufro]

A note on implementation:

We now have several positional arguments that can be either an ens or 0x address. We should have a custom implementation of https://pkg.go.dev/github.com/urfave/cli#Flag to handle these, though given the ens lookup must be done on-chain, it may require a refactor.