drf-encrypt-content added into third party list in documentation's serializer page (#7398)

Author: oguzhancelikarslan

docs/api-guide/serializers.md

@@ -1178,6 +1178,11 @@ The [html-json-forms][html-json-forms] package provides an algorithm and seriali
 
 The [drf-writable-nested][drf-writable-nested] package provides writable nested model serializer which allows to create/update models with nested related data.
 
+## DRF Encrypt Content
+
+The [drf-encrypt-content][drf-encrypt-content] package helps you encrypt your data, serialized through ModelSerializer. It also contains some helper functions. Which helps you to encrypt your data. 
+
+
 [cite]: https://groups.google.com/d/topic/django-users/sVFaOfQi4wY/discussion
 [relations]: relations.md
 [model-managers]: https://docs.djangoproject.com/en/stable/topics/db/managers/
@@ -1199,3 +1204,4 @@ The [drf-writable-nested][drf-writable-nested] package provides writable nested
 [drf-serializer-extensions]: https://github.com/evenicoulddoit/django-rest-framework-serializer-extensions
 [djangorestframework-queryfields]: https://djangorestframework-queryfields.readthedocs.io/
 [drf-writable-nested]: https://github.com/beda-software/drf-writable-nested
+[drf-encrypt-content]: https://github.com/oguzhancelikarslan/drf-encrypt-content