Timor-Leste IBAN parsing rules

Examples

    iex>  %IbanEx.Iban{
    ...>    country_code: "TL",
    ...>    check_digits: "38",
    ...>    bank_code: "008",
    ...>    branch_code: nil,
    ...>    national_check: "57",
    ...>    account_number: "00123456789101"
    ...>  }
    ...>  |> IbanEx.Country.TL.to_string()
    "TL 38 008 00123456789101 57"