Add Drupal Matrix_api module to Try Matrix page

supporting-docs/projects/2016-09-17-drupal-matrix-api.md

@@ -0,0 +1,12 @@
+---
+layout: project
+title: Drupal matrix_api module
+categories: projects sdk
+thumbnail: /docs/projects/images/200px-druplicon.png
+description: A Drupal 8 integration module/SDK
+author: freelock
+maturity: Alpha
+---
+
+# {{ page.title }}
+A Drupal API module to facilitate posting messages into Matrix rooms. [Drupal.org](https://drupal.org/project/matrix_api)