feat(license): add license scan report and status (#3)

FOSSA integration was successful. Attached in this PR is a badge and license report to track scan status in your README.

Below are docs for integrating FOSSA license checks into your CI:

- [CircleCI](http://fossa.io/docs/integrating-tools/circleci/)
- [TravisCI](http://fossa.io/docs/integrating-tools/travisci/)
- [Jenkins](https://github.com/fossas/fossa-jenkins-plugin)
- [Other](https://github.com/fossas/license-cli)

Closes #3

Author: fossabot

README.md

@@ -92,6 +92,12 @@
 >
 > :soon: How to start the process of making your InnerSource product open to the world.
 
+---
+
+<!-- ⛔️ Do not remove this comment or anything below it ⛔️  -->
+
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fcommonality%2Fgetting-started-inner-source.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fcommonality%2Fgetting-started-inner-source?ref=badge_large)
+
 [best-practices-img]: ./docs/img/icons8-best-seller-96.png
 [community-img]: ./docs/img/icons8-user-groups-96.png
 [contribute-url]: ./docs/how-to-contribute-to-inner-source.md