Activates Amazon Europe support

Then, to enable each platform, you have to activate the corresponding Prestashop language.

It is necessary to enable the languages because texts, descriptions, and product names must be sent in the language of the country.

More information about it on the online documentation:
http://documentation.common-services.com/amazonv4/additional-languages-%E2%80%8B%E2%80%8B-additional-european-platforms-france-germany-united-kingdom-spain-italy/?lang=en