moved to announcement category

Author: gonsie

_posts/2018-12-17-ross-org.md

@@ -2,7 +2,7 @@
 layout: post
 title:  "ROSS-org on GitHub"
 author: Elsa Gonsiorowski
-category: news
+category: announcement
 ---
 
 ROSS now has its own GitHub organization, [ROSS-org](https://github.com/ROSS-org)!