Add article comparing Drupal & Wagtail

Relatively recent (October 2018) and well laid out article that would be helpful to those coming from Drupal

README.md

@@ -198,6 +198,7 @@ Awesome Wagtail [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38
 - [Getting started with Draftail extensions](https://thib.me/getting-started-with-draftail-extensions) – Do you want to write extensions for Draftail? This is a good place to start.
 - [Amplify a Wagtail/Django site](https://parbhatpuri.com/amplify-wagtail-django-site-urls-part-1.html) - Prepare you Wagtail site for Accelerated Mobile Pages (AMP).
 - [Migrating your Drupal content to Wagtail](https://medium.com/@kevinhowbrook/migrating-your-drupal-content-to-wagtail-d43bb34529e8)
+- [Drupal Front End WTF, Wagtail Front End FTW](https://medium.com/@kevinhowbrook/drupal-front-end-wtf-wagtail-front-end-ftw-17712628df3e) - Comparing Drupal and Wagtail Markup and approach to each CMS
 
 ### Recipes