add HN clone tutorial

README.md

@@ -37,6 +37,7 @@
 * [Django Girls Tutorial](https://tutorial.djangogirls.org/en/) - Use FBVs to build a blog app
 * [Mozilla Tutorial](https://developer.mozilla.org/en-US/docs/Learn/Server-side/Django) - Create a lending library app
 * [A Complete Beginner's Guide to Django](https://simpleisbetterthancomplex.com/series/beginners-guide/1.11/) - In-depth and excellent walkthrough of a new Django app
+* [Build a HackerNews clone](https://medium.com/@danieldng/a-little-hacker-news-in-django-part-1-f12aa81dc25d) - Very well-done tutorial for Django 2.0.
 
 ### External Resources