Added django-rest-multiple-models link to general Third Party resources page as well

docs/topics/third-party-resources.md

@@ -211,6 +211,7 @@ To submit new content, [open an issue][drf-create-issue] or [create a pull reque
 ### Views
 
 * [djangorestframework-bulk][djangorestframework-bulk] - Implements generic view mixins as well as some common concrete generic views to allow to apply bulk operations via API requests.
+* [django-rest-multiple-models][django-rest-multiple-models] - Provides a generic view (and mixin) for sending multiple serialized models and/or querysets via a single API request.
 
 ### Routers
 
@@ -303,6 +304,7 @@ To submit new content, [open an issue][drf-create-issue] or [create a pull reque
 [drf-compound-fields]: https://github.com/estebistec/drf-compound-fields
 [django-extra-fields]: https://github.com/Hipo/drf-extra-fields
 [djangorestframework-bulk]: https://github.com/miki725/django-rest-framework-bulk
+[django-rest-multiple-models]: https://github.com/Axiologue/DjangoRestMultipleModels
 [drf-nested-routers]: https://github.com/alanjds/drf-nested-routers
 [wq.db.rest]: http://wq.io/docs/about-rest
 [djangorestframework-msgpack]: https://github.com/juanriaza/django-rest-framework-msgpack