codecov badge and logo (#18)

* Update README.md

* Add files via upload

README.md

@@ -8,7 +8,7 @@ QCManyBody
 </p>
 
 [![GitHub Actions](https://img.shields.io/github/actions/workflow/status/MolSSI/QCManyBody/ci.yml?logo=github)](https://github.com/MolSSI/QCManyBody/actions?query=workflow%3ACI)
-[![codecov](https://codecov.io/github/MolSSI/QCManyBody/graph/badge.svg?token=E4S0706HJ0)](https://codecov.io/github/MolSSI/QCManyBody)
+[![codecov](https://codecov.io/gh/loriab/QCManyBody/graph/badge.svg?token=E4S0706HJ0)](https://codecov.io/gh/loriab/QCManyBody)
 [![Documentation Status](https://img.shields.io/github/actions/workflow/status/MolSSI/QCManyBody/ci.yml?label=docs&logo=readthedocs&logoColor=white)](https://molssi.github.io/QCManyBody/)
 [![Conda (channel only)](https://img.shields.io/conda/vn/conda-forge/qcmanybody?color=blue&logo=anaconda&logoColor=white)](https://anaconda.org/conda-forge/qcmanybody)
 ![python](https://img.shields.io/badge/python-3.8+-blue.svg)
@@ -27,4 +27,4 @@ pip install git+https://github.com/MolSSI/QCManyBody.git
 
 ## Documentation
 
-Full documentation is available at [https://molssi.github.io/QCManyBody/](https://molssi.github.io/QCManyBody/)
+Full documentation is available at [https://molssi.github.io/QCManyBody/](https://molssi.github.io/QCManyBody/)