Update README.md

Author: Bhupesh-V

README.md

@@ -2,8 +2,9 @@
 
 > [Judge0 API](https://api.judge0.com/) Interface written in Python
 
-![PyPI](https://img.shields.io/pypi/v/coderunner?color=blue)
 [![Build Status](https://travis-ci.org/codeclassroom/CodeRunner.svg?branch=master)](https://travis-ci.org/codeclassroom/CodeRunner)
+![PyPI](https://img.shields.io/pypi/v/coderunner?color=blue)
+[![Documentation Status](https://readthedocs.org/projects/coderunner/badge/?version=latest)](https://coderunner.readthedocs.io/en/latest/?badge=latest)
 [![GitHub license](https://img.shields.io/github/license/codeclassroom/CodeRunner)](https://github.com/codeclassroom/CodeRunner/blob/master/LICENSE)
 [![GitHub issues](https://img.shields.io/github/issues/codeclassroom/CodeRunner?color=blueviolet)](https://github.com/codeclassroom/CodeRunner/issues)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-orange.svg)](http://makeapullrequest.com)
@@ -79,4 +80,4 @@ This project is licensed under the MIT License. See the [LICENSE](LICENSE) file
 
 ## 👋 Contributing
 
-Please read the [CONTRIBUTING](CONTRIBUTING.md) file for the process of submitting pull requests to us.
+Please read the [CONTRIBUTING](CONTRIBUTING.md) file for the process of submitting pull requests to us.