Update README.md

Updated the link to the external docs to remove 404 error.

Author: rclune

README.md

@@ -1,7 +1,7 @@
 [![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)
 [![PyPI version](https://img.shields.io/pypi/v/atomworks.svg)](https://pypi.org/project/atomworks/)
 [![Python versions](https://img.shields.io/pypi/pyversions/atomworks.svg)](https://pypi.org/project/atomworks/)
-[![Documentation Status](https://img.shields.io/badge/docs-latest-brightgreen.svg)](https://baker-laboratory.github.io/atomworks-dev/latest)
+[![Documentation Status](https://img.shields.io/badge/docs-latest-brightgreen.svg)](https://baker-laboratory.github.io/atomworks-dev/latest/index.html)
 [![License: BSD 3-Clause](https://img.shields.io/badge/License-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
 
 <img src="docs/_static/atomworks_logo_color.svg" width="450" alt="atomworks logo">