adding charlie to contributor list

readme.md

@@ -4,11 +4,7 @@
 
 [![Documentation Badge](https://readthedocs.org/projects/openoa/badge/?version=latest)](https://openoa.readthedocs.io) ![Tests Badge](https://github.com/NREL/OpenOA/workflows/Tests/badge.svg?branch=develop) [![Code Coverage Badge](https://codecov.io/gh/NREL/OpenOA/branch/develop/graph/badge.svg)](https://codecov.io/gh/NREL/OpenOA)
 
-[![pre-commit](https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit&logoColor=white)](https://github.com/pre-commit/pre-commit)
-
-[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
-
-[![Imports: isort](https://img.shields.io/badge/%20imports-isort-%231674b1?style=flat&labelColor=ef8336)](https://pycqa.github.io/isort/)
+[![pre-commit](https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit&logoColor=white)](https://github.com/pre-commit/pre-commit) [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black) [![Imports: isort](https://img.shields.io/badge/%20imports-isort-%231674b1?style=flat&labelColor=ef8336)](https://pycqa.github.io/isort/)
 
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@@ -154,6 +150,7 @@ Mike Optis,
 Jordan Perr-Sauer,
 Sebastian Pfaffel,
 Caleb Phillips,
+Charlie Plumley,
 Eliot Quon,
 Sheungwen Sheng,
 Eric Simley, and