Athanasius

### What is the feature? There is no way to manage customer addresses. Are there any plans to add an endpoint for addresses? Thank you in advance.

### What happened? Response for customers/?**include=addresses** does contain array of user addresses, but only like this: ``` 'relationships': { 'addresses': { 'data': [ {'type': 'addresses', 'id': '1'}, {'type': 'addresses', 'id':...