Update README.md

Author: chongzhe

README.md

@@ -1,5 +1,6 @@
 [![Build Status](https://travis-ci.org/tesseract-ocr/tesseract.svg?branch=master)](https://travis-ci.org/tesseract-ocr/tesseract)
 [![Build status](https://ci.appveyor.com/api/projects/status/miah0ikfsf0j3819/branch/master?svg=true)](https://ci.appveyor.com/project/zdenop/tesseract/)
+[![Insight.io](https://www.insight.io/repoBadge/github.com/tesseract-ocr/tesseract)](https://insight.io/github.com/tesseract-ocr/tesseract)
 
 For the latest online version of the README.md see: