fix(docs): add missing locale fr-CF (#2178)

- following #2176

README.md

@@ -150,7 +150,7 @@ Validator                               | Description
 **isMagnetURI(str)**                      | check if the string is a [Magnet URI format][Magnet URI Format].
 **isMD5(str)**                          | check if the string is a MD5 hash.<br/><br/>Please note that you can also use the `isHash(str, 'md5')` function. Keep in mind that MD5 has some collision weaknesses compared to other algorithms (e.g., SHA).
 **isMimeType(str)**                     | check if the string matches to a valid [MIME type][MIME Type] format.
-**isMobilePhone(str [, locale [, options]])**          | check if the string is a mobile phone number,<br/><br/>`locale` is either an array of locales (e.g. `['sk-SK', 'sr-RS']`) OR one of `['am-Am', 'ar-AE', 'ar-BH', 'ar-DZ', 'ar-EG', 'ar-EH', 'ar-IQ', 'ar-JO', 'ar-KW', 'ar-PS', 'ar-SA', 'ar-SY', 'ar-TN', 'ar-YE', 'az-AZ', 'az-LB', 'az-LY', 'be-BY', 'bg-BG', 'bn-BD', 'bs-BA', 'ca-AD', 'cs-CZ', 'da-DK', 'de-AT', 'de-CH', 'de-DE', 'de-LU', 'dv-MV', 'dz-BT', 'el-CY', 'el-GR', 'en-AG', 'en-AI', 'en-AU', 'en-BM', 'en-BS', 'en-BW', 'en-CA', 'en-GB', 'en-GG', 'en-GH', 'en-GY', 'en-HK', 'en-IE', 'en-IN', 'en-JM', 'en-KE', 'en-KI', 'en-KN', 'en-LS', 'en-MO', 'en-MT', 'en-MU', 'en-NG', 'en-NZ', 'en-PG', 'en-PH', 'en-PK', 'en-RW', 'en-SG', 'en-SL', 'en-SS', 'en-TZ', 'en-UG', 'en-US', 'en-ZA', 'en-ZM', 'en-ZW', 'es-AR', 'es-BO', 'es-CL', 'es-CO', 'es-CR', 'es-CU', 'es-DO', 'es-EC', 'es-ES', 'es-HN', 'es-MX', 'es-NI', 'es-PA', 'es-PE', 'es-PY', 'es-SV', 'es-UY', 'es-VE', 'et-EE', 'fa-AF', 'fa-IR', 'fi-FI', 'fj-FJ', 'fo-FO', 'fr-BE', 'fr-BF', 'fr-BJ', 'fr-CD', 'fr-FR', 'fr-GF', 'fr-GP', 'fr-MQ', 'fr-PF', 'fr-RE', 'ga-IE', 'he-IL', 'hu-HU', 'id-ID', 'ir-IR', 'it-IT', 'it-SM', 'ja-JP', 'ka-GE', 'kk-KZ', 'kl-GL', 'ko-KR', 'ky-KG', 'lt-LT', 'mg-MG', 'mn-MN', 'ms-MY', 'my-MM', 'mz-MZ', 'nb-NO', 'ne-NP', 'nl-AW', 'nl-BE', 'nl-NL', 'nn-NO', 'pl-PL', 'pt-AO', 'pt-BR', 'pt-PT', 'ro-Md', 'ro-RO', 'ru-RU', 'si-LK', 'sk-SK', 'sl-SI', 'so-SO', 'sq-AL', 'sr-RS', 'sv-SE', 'tg-TJ', 'th-TH', 'tk-TM', 'tr-TR', 'uk-UA', 'uz-UZ', 'vi-VN', 'zh-CN', 'zh-HK', 'zh-MO', 'zh-TW']` OR defaults to `'any'`. If 'any' or a falsey value is used, function will check if any of the locales match).<br/><br/>`options` is an optional object that can be supplied with the following keys: `strictMode`, if this is set to `true`, the mobile phone number must be supplied with the country code and therefore must start with `+`. Locale list is `validator.isMobilePhoneLocales`.
+**isMobilePhone(str [, locale [, options]])**          | check if the string is a mobile phone number,<br/><br/>`locale` is either an array of locales (e.g. `['sk-SK', 'sr-RS']`) OR one of `['am-Am', 'ar-AE', 'ar-BH', 'ar-DZ', 'ar-EG', 'ar-EH', 'ar-IQ', 'ar-JO', 'ar-KW', 'ar-PS', 'ar-SA', 'ar-SY', 'ar-TN', 'ar-YE', 'az-AZ', 'az-LB', 'az-LY', 'be-BY', 'bg-BG', 'bn-BD', 'bs-BA', 'ca-AD', 'cs-CZ', 'da-DK', 'de-AT', 'de-CH', 'de-DE', 'de-LU', 'dv-MV', 'dz-BT', 'el-CY', 'el-GR', 'en-AG', 'en-AI', 'en-AU', 'en-BM', 'en-BS', 'en-BW', 'en-CA', 'en-GB', 'en-GG', 'en-GH', 'en-GY', 'en-HK', 'en-IE', 'en-IN', 'en-JM', 'en-KE', 'en-KI', 'en-KN', 'en-LS', 'en-MO', 'en-MT', 'en-MU', 'en-NG', 'en-NZ', 'en-PG', 'en-PH', 'en-PK', 'en-RW', 'en-SG', 'en-SL', 'en-SS', 'en-TZ', 'en-UG', 'en-US', 'en-ZA', 'en-ZM', 'en-ZW', 'es-AR', 'es-BO', 'es-CL', 'es-CO', 'es-CR', 'es-CU', 'es-DO', 'es-EC', 'es-ES', 'es-HN', 'es-MX', 'es-NI', 'es-PA', 'es-PE', 'es-PY', 'es-SV', 'es-UY', 'es-VE', 'et-EE', 'fa-AF', 'fa-IR', 'fi-FI', 'fj-FJ', 'fo-FO', 'fr-BE', 'fr-BF', 'fr-BJ', 'fr-CD', 'fr-CF', 'fr-FR', 'fr-GF', 'fr-GP', 'fr-MQ', 'fr-PF', 'fr-RE', 'ga-IE', 'he-IL', 'hu-HU', 'id-ID', 'ir-IR', 'it-IT', 'it-SM', 'ja-JP', 'ka-GE', 'kk-KZ', 'kl-GL', 'ko-KR', 'ky-KG', 'lt-LT', 'mg-MG', 'mn-MN', 'ms-MY', 'my-MM', 'mz-MZ', 'nb-NO', 'ne-NP', 'nl-AW', 'nl-BE', 'nl-NL', 'nn-NO', 'pl-PL', 'pt-AO', 'pt-BR', 'pt-PT', 'ro-Md', 'ro-RO', 'ru-RU', 'si-LK', 'sk-SK', 'sl-SI', 'so-SO', 'sq-AL', 'sr-RS', 'sv-SE', 'tg-TJ', 'th-TH', 'tk-TM', 'tr-TR', 'uk-UA', 'uz-UZ', 'vi-VN', 'zh-CN', 'zh-HK', 'zh-MO', 'zh-TW']` OR defaults to `'any'`. If 'any' or a falsey value is used, function will check if any of the locales match).<br/><br/>`options` is an optional object that can be supplied with the following keys: `strictMode`, if this is set to `true`, the mobile phone number must be supplied with the country code and therefore must start with `+`. Locale list is `validator.isMobilePhoneLocales`.
 **isMongoId(str)**                      | check if the string is a valid hex-encoded representation of a [MongoDB ObjectId][mongoid].
 **isMultibyte(str)**                    | check if the string contains one or more multibyte chars.
 **isNumeric(str [, options])**                      | check if the string contains only numbers.<br/><br/>`options` is an object which defaults to `{ no_symbols: false }` it also has `locale` as an option. If `no_symbols` is true, the validator will reject numeric strings that feature a symbol (e.g. `+`, `-`, or `.`).<br/><br/>`locale` determines the decimal separator and is one of `['ar', 'ar-AE', 'ar-BH', 'ar-DZ', 'ar-EG', 'ar-IQ', 'ar-JO', 'ar-KW', 'ar-LB', 'ar-LY', 'ar-MA', 'ar-QA', 'ar-QM', 'ar-SA', 'ar-SD', 'ar-SY', 'ar-TN', 'ar-YE', 'bg-BG', 'cs-CZ', 'da-DK', 'de-DE', 'en-AU', 'en-GB', 'en-HK', 'en-IN', 'en-NZ', 'en-US', 'en-ZA', 'en-ZM', 'es-ES', 'fr-FR', 'fr-CA', 'hu-HU', 'it-IT', 'nb-NO', 'nl-NL', 'nn-NO', 'pl-PL', 'pt-BR', 'pt-PT', 'ru-RU', 'sl-SI', 'sr-RS', 'sr-RS@latin', 'sv-SE', 'tr-TR', 'uk-UA']`.
@@ -304,4 +304,4 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 [MIME Type]: https://en.wikipedia.org/wiki/Media_type
 [mongoid]: http://docs.mongodb.org/manual/reference/object-id/
 [RFC 3339]: https://tools.ietf.org/html/rfc3339
-[VAT Number]: https://en.wikipedia.org/wiki/VAT_identification_number
+[VAT Number]: https://en.wikipedia.org/wiki/VAT_identification_number