Adding badges to README.md

Author: albop

README.md

@@ -1,3 +1,8 @@
 # dolang.py
 
 Very empty README file.
+
+[![codecov](https://codecov.io/gh/EconForge/dolang.py/branch/master/graph/badge.svg?token=1U3Q8FLOFK)](https://codecov.io/gh/EconForge/dolang.py)
+
+  ![CI](https://github.com/EconForge/dolang.py/workflows/.github/workflows/ci.yaml/badge.svg)
+![Docs](https://github.com/EconForge/dolang.py/workflows/.github/workflows/mkdocs.yml/badge.svg)