Merge pull request #2512 from heywbj/docs

Add django-rest-framework-recursive to docs

docs/api-guide/fields.md

@@ -590,6 +590,10 @@ The [drf-compound-fields][drf-compound-fields] package provides "compound" seria
 
 The [drf-extra-fields][drf-extra-fields] package provides extra serializer fields for REST framework, including `Base64ImageField` and `PointField` classes.
 
+## djangrestframework-recursive
+
+the [djangorestframework-recursive][djangorestframework-recursive] package provides a `RecursiveField` for serializing and deserializing recursive structures
+
 ## django-rest-framework-gis
 
 The [django-rest-framework-gis][django-rest-framework-gis] package provides geographic addons for django rest framework like a  `GeometryField` field and a GeoJSON serializer.
@@ -606,6 +610,7 @@ The [django-rest-framework-hstore][django-rest-framework-hstore] package provide
 [iso8601]: http://www.w3.org/TR/NOTE-datetime
 [drf-compound-fields]: http://drf-compound-fields.readthedocs.org
 [drf-extra-fields]: https://github.com/Hipo/drf-extra-fields
+[djangorestframework-recursive]: https://github.com/heywbj/django-rest-framework-recursive
 [django-rest-framework-gis]: https://github.com/djangonauts/django-rest-framework-gis
 [django-rest-framework-hstore]: https://github.com/djangonauts/django-rest-framework-hstore
 [django-hstore]: https://github.com/djangonauts/django-hstore