Add license scan report and status

README.md

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 Silhouette
 ==========
 ![Test](https://github.com/minutemen/silhouette/workflows/Test/badge.svg) ![Lint](https://github.com/minutemen/silhouette/workflows/Lint/badge.svg) [![codecov](https://codecov.io/gh/minutemen/silhouette/branch/master/graph/badge.svg)](https://codecov.io/gh/minutemen/silhouette) [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/minutemen/silhouette?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![Scala Steward badge](https://img.shields.io/badge/Scala_Steward-helping-blue.svg?style=flat&logo=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAQCAMAAAARSr4IAAAAVFBMVEUAAACHjojlOy5NWlrKzcYRKjGFjIbp293YycuLa3pYY2LSqql4f3pCUFTgSjNodYRmcXUsPD/NTTbjRS+2jomhgnzNc223cGvZS0HaSD0XLjbaSjElhIr+AAAAAXRSTlMAQObYZgAAAHlJREFUCNdNyosOwyAIhWHAQS1Vt7a77/3fcxxdmv0xwmckutAR1nkm4ggbyEcg/wWmlGLDAA3oL50xi6fk5ffZ3E2E3QfZDCcCN2YtbEWZt+Drc6u6rlqv7Uk0LdKqqr5rk2UCRXOk0vmQKGfc94nOJyQjouF9H/wCc9gECEYfONoAAAAASUVORK5CYII=)](https://scala-steward.org)
+[![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Fminutemen%2Fsilhouette.svg?type=shield)](https://app.fossa.com/projects/git%2Bgithub.com%2Fminutemen%2Fsilhouette?ref=badge_shield)
 
 **Silhouette** is a framework agnostic authentication library for Scala that supports several authentication methods, including OAuth1, OAuth2, OpenID, CAS, Credentials, Basic Authentication, Two Factor Authentication or custom authentication schemes.
 
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 [contributing guide]: CONTRIBUTING.md
 [Apache License v2.0]: http://www.apache.org/licenses/LICENSE-2.0
 [CC BY 3.0]: http://creativecommons.org/licenses/by/3.0/
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+[![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Fminutemen%2Fsilhouette.svg?type=large)](https://app.fossa.com/projects/git%2Bgithub.com%2Fminutemen%2Fsilhouette?ref=badge_large)