add docs link to readme

FoamyGuy · FoamyGuy · commit 6d865eb7f280 · 2021-10-25T11:23:31.000-05:00
diff --git a/README.rst b/README.rst
@@ -68,6 +68,11 @@ Usage Example
         time.sleep(0.5)
 
 
+Documentation
+=============
+
+API documentation for this library can be found on `Read the Docs <https://circuitpython.readthedocs.io/projects/tc74/en/latest/>`_.
+
 Contributing
 ============
 
