added examples folder and .py file

Author: mrmcwethy

examples/printtemp.py

@@ -0,0 +1,14 @@
+import time
+import board
+import busio
+import adafruit_mcp9808
+
+# This example shows how to get the temperature from a MCP9808 board
+i2c_bus = busio.I2C(board.SCL, board.SDA)
+mcp = adafruit_mcp9808.MCP9808(i2c_bus)
+
+while True:
+    tempC = mcp.temperature
+    tempF = tempC * 9 / 5 + 32
+    print('Temperature: {} C {} F '.format(tempC, tempF))
+    time.sleep(2)