Update README.md

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Author: JacobGrisham

README.md

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 # [Finance: Full Stack Web App using Flask and SQL](http://flask-env.eba-z6mwdiua.us-west-2.elasticbeanstalk.com/)
 [![Website shields.io](https://img.shields.io/website-up-down-green-red/http/shields.io.svg)](http://flask-env.eba-z6mwdiua.us-west-2.elasticbeanstalk.com/)
+![Security Headers](https://img.shields.io/security-headers?url=http%3A%2F%2Fflask-env.eba-z6mwdiua.us-west-2.elasticbeanstalk.com%2F)
 [![Build Status](https://travis-ci.org/JacobGrisham/Finance-Full-Stack-Web-App-using-Flask-and-SQL.svg?branch=master)](https://travis-ci.org/JacobGrisham/Finance-Full-Stack-Web-App-using-Flask-and-SQL)
 [![Codacy Badge](https://app.codacy.com/project/badge/Grade/323b83dec4c44b78bde6a4b2aa3477ec)](https://www.codacy.com/gh/JacobGrisham/Finance-Full-Stack-Web-App-using-Flask-and-SQL/dashboard?utm_source=github.com&utm_medium=referral&utm_content=JacobGrisham/Finance-Full-Stack-Web-App-using-Flask-and-SQL&utm_campaign=Badge_Grade)
 [![Updates](https://pyup.io/repos/github/JacobGrisham/Finance-Full-Stack-Web-App-using-Flask-and-SQL/shield.svg)](https://pyup.io/repos/github/JacobGrisham/Finance-Full-Stack-Web-App-using-Flask-and-SQL/)