Deprecate `hermes start`

[ancazamfir]

Crate

relayer

Summary

• deprecate hermes start and rename start-multi to start:
  • hermes start same as hermes start-multi, relays all packets for all configured chains
  • hermes start --chain-a <chain-a-id> --chain-b <chain-b-id> -> MAYBE (just because it makes sense with the granularity progression here)
  • hermes start --chain <chain-id> --connection <connection-id> relay packets and channel handshake over the specified connection (do not do connection handshake, it must be opened at some point through other means for this to do anything) -> Agoric requirement
  • hermes start --chain <chain-id> --port <port-id> --channel <channel-id> (similar as above, no channel handshake) -> to replace current hermes start <chain-id> -p <port-id> -c <channel-id>
• config should still include only chains
• rethink config strategy, maybe packets to relay only packets and all to also do handshake on all the commands above.

Problem Definition

Proposal

Acceptance Criteria

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