update pdoc README badge

README.md

@@ -16,7 +16,7 @@ If interested in contributing to PyPartMC, please have a look a the [notes for d
 [![License: GPL v3](https://img.shields.io/badge/License-GPL%20v3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0.html)
 [![Copyright](https://img.shields.io/static/v1?label=Copyright&color=249fe2&message=UIUC&)](https://atmos.illinois.edu/)
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-[![API docs](https://img.shields.io/badge/API_docs-pdoc3-blue.svg)](https://open-atmos.github.io/PyPartMC/)
+[![API docs](https://shields.mitmproxy.org/badge/docs-pdoc.dev-brightgreen.svg)](https://open-atmos.github.io/PyPartMC/)
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.7662635.svg)](https://doi.org/10.5281/zenodo.7662635)
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