Jordan IBAN parsing rules

Examples

    iex>  %IbanEx.Iban{
    ...>    country_code: "JO",
    ...>    check_digits: "94",
    ...>    bank_code: "CBJO",
    ...>    branch_code: "0010",
    ...>    national_check: nil,
    ...>    account_number: "000000000131000302"
    ...>  }
    ...>  |> IbanEx.Country.JO.to_string()
    "JO 94 CBJO 0010 000000000131000302"