Hi there,

Amazon is currently expanding its business to the Netherlands and I've received their NL marketplace ID. I'm not really familiar with contributing to this project, so I preferred creating an issue instead 😅 I think the only line needed to add to the Marketplaces(Enum) class in mws/mws.py is the following:

NL = ('https://mws-eu.amazonservices.com', 'A1805IZSGTT6HS')

Not sure if it needs to be added elsewhere too.

Would appreciate if this could be added :-)