Added first non SEPA countries

lib/iban_ex/country/cr.ex

@@ -0,0 +1,25 @@
+defmodule IbanEx.Country.CR do
+  @moduledoc """
+  Costa Rica IBAN parsing rules
+
+  ## Examples
+
+  ```elixir
+      iex>  %IbanEx.Iban{
+      ...>    country_code: "CR",
+      ...>    check_digits: "05",
+      ...>    bank_code: "0152",
+      ...>    branch_code: nil,
+      ...>    account_number: "02001026284066",
+      ...>    national_check: nil
+      ...>  }
+      ...>  |> IbanEx.Country.CR.to_string()
+      "CR 05 0152 02001026284066"
+  ```
+  """
+
+  @size 22
+  @rule ~r/^(?<bank_code>[0-9]{4})(?<account_number>[0-9]{14})$/i
+
+  use IbanEx.Country.Template
+end