Add two tutorials to Articles section

README.md

@@ -198,6 +198,8 @@ 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)
+- [How to Add Buttons to ModelAdmin Index View](https://timonweb.com/tutorials/how-to-add-buttons-to-modeladmin-index-view-in-wagtail-cms/)
+- [How to Prevent Users from Creating Pages by Type](https://timonweb.com/tutorials/prevent-users-from-creating-certain-page-types-in-wagtail-cms/)
 
 ### Recipes