Add MIT License badge (#5)

Tjoosten · vutran · commit 4135c77a3fad · 2016-09-30T19:59:44.000-07:00
Fix #4
diff --git a/README.md b/README.md
@@ -1,5 +1,5 @@
 # dext-github-plugin
-
+[![MIT licensed](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
 > [Dext](https://github.com/vutran/dext) plugin to search for Github repositories.
 
 ![](screenshot.png?raw=true)
