add logging since it's not in pypi..

Author: brentru

docs/conf.py

@@ -16,11 +16,10 @@
     'sphinx.ext.todo',
 ]
 
-# TODO: Please Read!
 # Uncomment the below if you use native CircuitPython modules such as
 # digitalio, micropython and busio. List the modules you use. Without it, the
 # autodoc module docs will fail to generate with a warning.
-autodoc_mock_imports = ["micropython", "microcontroller", "random"]
+autodoc_mock_imports = ["micropython", "microcontroller", "random", "adafruit_logging"]
 
 
 intersphinx_mapping = {'python': ('https://docs.python.org/3.4', None),'CircuitPython': ('https://circuitpython.readthedocs.io/en/latest/', None)}