Add VAT Comply API (#1413)

Co-authored-by: Yann Bertrand <5855339+yannbertrand@users.noreply.github.com>

README.md

@@ -220,6 +220,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Fixer.io](http://fixer.io) | Exchange rates and currency conversion | `apiKey` | Yes | Unknown |
 | [Frankfurter](https://www.frankfurter.app/docs) | Exchange rates, currency conversion and time series | No | Yes | Yes |
 | [ratesapi](https://ratesapi.io) | Free exchange rates and historical rates | No | Yes | Unknown |
+| [VATComply.com](https://www.vatcomply.com/documentation) | Exchange rates, geolocation and VAT number validation | No | Yes | Yes |
 
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 ### Data Validation