Update README.md

Pytlicek · web-flow · commit decee9bc5ce2 · 2021-12-03T20:01:45.000+01:00
diff --git a/README.md b/README.md
@@ -1,4 +1,5 @@
 [![Test Python package](https://github.com/Pytlicek/fastapi-featureflags/actions/workflows/python-package.yml/badge.svg?branch=main)](https://github.com/Pytlicek/fastapi-featureflags/actions/workflows/python-package.yml) 
+[![codecov](https://codecov.io/gh/Pytlicek/fastapi-featureflags/branch/main/graph/badge.svg?token=CVULQJ2SSA)](https://codecov.io/gh/Pytlicek/fastapi-featureflags)
 ![PythonVersions](https://img.shields.io/badge/python-3.6%20%7C%203.7%20%7C%203.8%20%7C%203.9%20%7C%203.10-blue) 
 [![Sourcery](https://img.shields.io/badge/Sourcery-enabled-brightgreen)](https://sourcery.ai) 
 [![Black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/ambv/black) 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`[![Test Python package](https://github.com/Pytlicek/fastapi-featureflags/actions/workflows/python-package.yml/badge.svg?branch=main)](https://github.com/Pytlicek/fastapi-featureflags/actions/workflows/python-package.yml)`
	`2`	`+[![codecov](https://codecov.io/gh/Pytlicek/fastapi-featureflags/branch/main/graph/badge.svg?token=CVULQJ2SSA)](https://codecov.io/gh/Pytlicek/fastapi-featureflags)`
`2`	`3`	`![PythonVersions](https://img.shields.io/badge/python-3.6%20%7C%203.7%20%7C%203.8%20%7C%203.9%20%7C%203.10-blue)`
`3`	`4`	`[![Sourcery](https://img.shields.io/badge/Sourcery-enabled-brightgreen)](https://sourcery.ai)`
`4`	`5`	`[![Black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/ambv/black)`