:handshake: Add i18n section (#255)

* Add i18n section

* :pencil: Update README.md

---------

Co-authored-by: Jeff Triplett <jefftriplett@users.noreply.github.com>

README.md

@@ -41,6 +41,7 @@ or buying <a rel="sponsored" href="https://django.threadless.com/">official merc
   - [Forms](#forms)
   - [Full-stack frameworks](#full-stack-frameworks)
   - [General](#general)
+  - [Internationalisation](#i18n)
   - [Logging](#logging)
   - [Model Fields](#model-fields)
   - [Models](#models)
@@ -211,6 +212,13 @@ _For a complete listing of all available packages, see [Django Packages](https:/
 - [django-nh3](https://github.com/marksweb/django-nh3) - Django integration with for nh3 and is an alternative for django-bleach.
 - [Weblate](https://github.com/WeblateOrg/weblate) - Weblate is a copylefted libre software web-based continuous localization system, used by over 2500 libre projects and companies in more than 165 countries.
 
+### <a id="i18n"></a> Internationalisation (i18n)
+
+- [django-localflavor](https://github.com/django/django-localflavor) - A collection of functionality that is useful for particular countries or cultures. Previously a part of the Django core.
+- [django-modeltrans](https://github.com/zostera/django-modeltrans) - Translate Django model fields in a JSONField.
+- [django-modeltranslations](https://github.com/deschler/django-modeltranslation) -  Translates Django models using a registration approach.
+- [django-rosetta](https://github.com/mbi/django-rosetta) - Rosetta provides a UI to read and write your project's gettext catalogs within the Django Admin.
+
 ### Logging
 - [django-guid](https://github.com/JonasKs/django-guid) - Inject a GUID (Correlation-ID) into every log message in a Django request.
 - [DRF-API-Logger](https://github.com/vishalanandl177/DRF-API-Logger) - An API Logger for your Django Rest Framework project.