Add license scan report and status (#8)

Signed-off-by: fossabot <[email protected]>

README.md

@@ -3,6 +3,7 @@
 [![PyPI](https://img.shields.io/pypi/v/pygrocy.svg)](https://pypi.org/project/pygrocy/)
 [![Coverage Status](https://coveralls.io/repos/github/SebRut/pygrocy/badge.svg?branch=master)](https://coveralls.io/github/SebRut/pygrocy?branch=master)
 [![CodeFactor](https://www.codefactor.io/repository/github/sebrut/pygrocy/badge)](https://www.codefactor.io/repository/github/sebrut/pygrocy)
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2FSebRut%2Fpygrocy.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2FSebRut%2Fpygrocy?ref=badge_shield)
 
 [Documentation](https://sebrut.github.io/pygrocy/pygrocy/grocy.html)
 
@@ -26,3 +27,7 @@ Get current stock:
 for entry in grocy.stock():
     print("{} in stock for product id {}".format(entry.product_id, entry.amount))
 ```
+
+
+## License
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2FSebRut%2Fpygrocy.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2FSebRut%2Fpygrocy?ref=badge_large)