Sphinx updates.

Author: kattni

README.rst

@@ -32,8 +32,7 @@ Installing from PyPI
 --------------------
 .. note:: This library is not available on PyPI yet. Install documentation is included
    as a standard element. Stay tuned for PyPI availability!
-.. todo:: Remove the above note if PyPI version is/will be available at time of release.
-   If the library is not planned for PyPI, remove the entire 'Installing from PyPI' section.
+
 On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally `from
 PyPI <https://pypi.org/project/adafruit-circuitpython-veml7700/>`_. To install for current user:
 
@@ -59,7 +58,20 @@ To install in a virtual environment in your current project:
 Usage Example
 =============
 
-.. todo:: Add a quick, simple example. It and other examples should live in the examples folder and be included in docs/examples.rst.
+.. code-block:: python
+
+    import time
+    import board
+    import busio
+    import adafruit_veml7700
+
+    i2c = busio.I2C(board.SCL, board.SDA)
+    veml7700 = adafruit_veml7700.VEML7700(i2c)
+
+    while True:
+        print("Ambient light:", veml7700.light)
+        time.sleep(0.1)
+
 
 Contributing
 ============

docs/conf.py

@@ -20,7 +20,8 @@
 # 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 = ["digitalio", "busio"]
+autodoc_mock_imports = ["adafruit_register.i2c_struct", "adafruit_register.i2c_bits",
+                        "adafruit_register.i2c_bit"]
 
 
 intersphinx_mapping = {'python': ('https://docs.python.org/3.4', None),'BusDevice': ('https://circuitpython.readthedocs.io/projects/busdevice/en/latest/', None),'Register': ('https://circuitpython.readthedocs.io/projects/register/en/latest/', None),'CircuitPython': ('https://circuitpython.readthedocs.io/en/latest/', None)}