Turkey IBAN parsing rules

Examples

    iex>  %IbanEx.Iban{
    ...>    country_code: "TR",
    ...>    check_digits: "33",
    ...>    bank_code: "00061",
    ...>    branch_code: nil,
    ...>    national_check: "0",
    ...>    account_number: "0519786457841326"
    ...>  }
    ...>  |> IbanEx.Country.TR.to_string()
    "TR 33 00061 0 0519786457841326"