feat: pagination for history
feat: pagination for history

History can get big, so reduce the default size of response.
Uses http://www.django-rest-framework.org/api-guide/pagination/#limitoffsetpagination

This puts a navigation around the response data, so actual history data
is now in response.data.results

yunity/foodsaving-backend,yunity/yunity-core,yunity/foodsaving-backend,yunity/yunity-core,yunity/foodsaving-backend