add docs link to readme

FoamyGuy · FoamyGuy · commit 5ab62e6437a8 · 2021-10-25T11:30:54.000-05:00
diff --git a/README.rst b/README.rst
@@ -54,6 +54,11 @@ To install in a virtual environment in your current project:
     source .env/bin/activate
     pip3 install adafruit-circuitpython-simplemath
 
+Documentation
+=============
+
+API documentation for this library can be found on `Read the Docs <https://circuitpython.readthedocs.io/projects/simplemath/en/latest/>`_.
+
 Contributing
 ============
 
