Merge pull request #24 from adafruit/stemma_i2c

Added commented out board.STEMMA_I2C with explanation

Author: evaherrada

examples/veml7700_simpletest.py

@@ -6,6 +6,7 @@
 import adafruit_veml7700
 
 i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 veml7700 = adafruit_veml7700.VEML7700(i2c)
 
 while True: