Adds stoplight to companies

Author: mnaumanali94

README.md

@@ -160,3 +160,4 @@ Thanks to these awesome companies for their support of Open Source developers 
 [![Travis CI](https://jstools.dev/img/badges/travis-ci.svg)](https://travis-ci.com)
 [![SauceLabs](https://jstools.dev/img/badges/sauce-labs.svg)](https://saucelabs.com)
 [![Coveralls](https://jstools.dev/img/badges/coveralls.svg)](https://coveralls.io)
+[![Stoplight](https://i.ibb.co/bdyQxrv/Stoplight-logo.png)](https://stoplight.io/?utm_source=github&utm_medium=readme&utm_campaign=json_schema_ref_parser)