chore(docs): Added MIT Licence Badge and aligned all badges (#10411)

Author: adithyaakrishna

README.md

@@ -1,6 +1,9 @@
-<p>
+<p align="center">
   <a href="http://badge.fury.io/js/jest"><img src="https://badge.fury.io/js/jest.svg" alt="npm version"></a>
-  <a href="https://twitter.com/intent/follow?screen_name=fbjest"><img align="right" src="https://img.shields.io/twitter/follow/fbjest.svg?style=social&label=Follow%20@fbjest" alt="Follow on Twitter"></a>
+  <a href="https://github.com/facebook/jest/blob/master/LICENSE">
+    <img src="https://img.shields.io/badge/license-MIT-blue.svg" alt="Jest is released under the MIT license." />
+  </a>
+  <a href="https://twitter.com/intent/follow?screen_name=fbjest"><img align="center" src="https://img.shields.io/twitter/follow/fbjest.svg?style=social&label=Follow%20@fbjest" alt="Follow on Twitter"></a>
 </p>
 
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