Update README.md

Author: anshikapackt

README.md

@@ -1,2 +1,5 @@
-# Introduction-to-Policy-Based-Methods-for-reinforcement-learning
-This module looks at policy based methods of reinforcement learning, principally the drawbacks to value based methods like Q learning that motivate the use of policy gradients.
+# Introduction to Policy Based Methods for reinforcement learning
+[![GitHub issues](https://img.shields.io/github/issues/Develop-Packt/Introduction-to-Policy-Based-Methods-for-reinforcement-learning.svg)](https://github.com/Develop-Packt/Introduction-to-Policy-Based-Methods-for-reinforcement-learning/issues)
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