Republic of Moldova IBAN parsing rules

Examples

    iex>  %IbanEx.Iban{
    ...>    country_code: "MD",
    ...>    check_digits: "24",
    ...>    bank_code: "AG",
    ...>    branch_code: nil,
    ...>    national_check: nil,
    ...>    account_number: "000225100013104168"
    ...>  }
    ...>  |> IbanEx.Country.MD.to_string()
    "MD 24 AG 000225100013104168"