Added Few Badges

Author: influentcoder

README.md

@@ -1,4 +1,7 @@
-![Build](https://github.com/guillaume-humbert/expiring-lru-cache/workflows/CMake/badge.svg)
+[![Build](https://github.com/guillaume-humbert/expiring-lru-cache/workflows/CMake/badge.svg)](https://github.com/guillaume-humbert/expiring-lru-cache/actions)
+[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
+[![GitHub version](https://badge.fury.io/gh/guillaume-humbert%2Fexpiring-lru-cache.svg)](https://badge.fury.io/gh/guillaume-humbert%2Fexpiring-lru-cache)
+![Active](http://img.shields.io/badge/Status-Active-green.svg)]
 
 # High Performance LRU Cache With Expiring Elements