[skip ci] Update start-looking-ahead.md
@ -31,3 +31,4 @@ This section will summarize the Yii resources available to help you be more prod
- Facebook: <https://www.facebook.com/groups/yiitalk/>
- Twitter: <https://twitter.com/yiiframework>
- LinkedIn: <https://www.linkedin.com/groups/yii-framework-1483367>
- Stackoverflow: <http://stackoverflow.com/questions/tagged/yii2>