Merge pull request #28 from adafruit/stemma_i2c

Added commented out board.STEMMA_I2C with explanation

Author: evaherrada

examples/fxos8700_simpletest.py

@@ -10,6 +10,7 @@
 
 # Create sensor object, communicating over the board's default I2C bus
 i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 sensor = adafruit_fxos8700.FXOS8700(i2c)
 # Optionally create the sensor with a different accelerometer range (the
 # default is 2G, but you can use 4G or 8G values):