Update README.md

README.md

@@ -15,7 +15,8 @@
 [![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
 [![Py-Versions](https://img.shields.io/pypi/pyversions/opsml.svg?color=%2334D058)](https://pypi.org/project/opsml)
 [![Checked with mypy](http://www.mypy-lang.org/static/mypy_badge.svg)](http://mypy-lang.org/)
-[![Pydantic v2](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/pydantic/pydantic/main/docs/badge/v2.json)](https://docs.pydantic.dev/latest/contributing/#badges)
+[![codecov](https://codecov.io/gh/demml/opsml/graph/badge.svg?token=VXY6UJYLDQ)](https://codecov.io/gh/demml/opsml)
+[![Pydantic](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/pydantic/pydantic/main/docs/badge/v2.json)](https://docs.pydantic.dev/latest/contributing/#badges)
 [![gitleaks](https://img.shields.io/badge/protected%20by-gitleaks-purple)](https://github.com/zricethezav/gitleaks-action)