Provide all required additional data for the existing mainnet sequencers, for migration

[zale144]

Extra migration data for #979

[danwt]

Explaining the changes to sequencer

    Remove
        message Description {

          string monike
          string identit
          string websit
          string securityContac
          string detail
        }

    Add
        message SequencerMetadata {
          string monike
          string detail
          string p2p_seed
          string rpc
          string evm_rpc
          string rest_api_url
          string explorer_url
          string genesis_urls
          ContactDetails contact_details
          bytes extra_data
          SnapshotInfo snapshots
          string gas_price = 15 [(gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.
        }

        message ContactDetails {
          string website
          string telegram
          string x
        }

        message SnapshotInfo {
          string snapshot_ur
          uint64 heigh
          string check
        }
    
    Conclusion
        moniker and detail copy over
        website can be copied from contact details
        everything else needs filling out

[danwt]

superseded by #1411