add badges to the README.md (#3)

README.md

@@ -1,6 +1,11 @@
 # hapi Auth Plugin for AWS SNS
 Plugin for [hapi](https://hapi.dev) to easily setup an [auth strategy](https://hapi.dev/api/?v=20.2.2#-serverauthstrategyname-scheme-options) that validates an [AWS SNS](https://docs.aws.amazon.com/sns/latest/dg/welcome.html) payload using the [sns-payload-validator](https://www.npmjs.com/package/sns-payload-validator).
 
+[![Coverage Status](https://coveralls.io/repos/github/devinstewart/hapi-auth-sns/badge.svg?branch=main)](https://coveralls.io/github/devinstewart/hapi-auth-sns?branch=main)
+[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/devinstewart/hapi-auth-sns/ci.svg)](https://github.com/devinstewart/hapi-auth-sns/actions?query=workflow%3Aci+branch%3Amain)
+[![Maintainability Rating](https://sonarcloud.io/api/project_badges/measure?project=devinstewart_hapi-auth-sns&metric=sqale_rating)](https://sonarcloud.io/summary/overall?id=devinstewart_hapi-auth-sns)
+[![Security Rating](https://sonarcloud.io/api/project_badges/measure?project=devinstewart_hapi-auth-sns&metric=security_rating)](https://sonarcloud.io/summary/overall?id=devinstewart_hapi-auth-sns)
+[![Reliability Rating](https://sonarcloud.io/api/project_badges/measure?project=devinstewart_hapi-auth-sns&metric=reliability_rating)](https://sonarcloud.io/summary/overall?id=devinstewart_hapi-auth-sns)
 ## Installing
 ```bash
 npm install --save hapi-auth-sns