Update index.rst

Author: zsdonghao

docs/index.rst

@@ -9,6 +9,8 @@ Welcome to TensorLayer
 
 **Documentation Version:** |release|
 
+**Jun 19** `Deep Reinforcement Learning Model ZOO Release !! <https://github.com/tensorlayer/tensorlayer/tree/master/examples/reinforcement_learning>`__.
+
 **Good News:** We won the **Best Open Source Software Award** `@ACM Multimedia (MM) 2017 <http://www.acmmm.org/2017/mm-2017-awardees/>`_.
 
 `TensorLayer`_ is a Deep Learning (DL) and Reinforcement Learning (RL) library extended from `Google TensorFlow <https://www.tensorflow.org>`_.  It provides popular DL and RL modules that can be easily customized and assembled for tackling real-world machine learning problems.