Added build badges to README.md

Author: Hyperkid123

README.md

@@ -1,3 +1,6 @@
+[![codecov](https://codecov.io/gh/data-driven-forms/react-forms/branch/master/graph/badge.svg)](https://codecov.io/gh/data-driven-forms/react-forms)
+[![CircleCI](https://circleci.com/gh/data-driven-forms/react-forms/tree/master.svg?style=svg)](https://circleci.com/gh/data-driven-forms/react-forms/tree/master)
+
 [![Data Driven Form logo](images/logo.png)](https://data-driven-forms.org/)
 
 Data Driven Forms is a React library used for rendering and managing forms with a lot of provided features based on [React Final Form](https://github.com/final-form/react-final-form).
@@ -236,4 +239,4 @@ We welcome any community contribution. Don't be afraid to report bug or to creat
 
 ### LICENSE
 
-Apache License 2.0
+Apache License 2.0