Merge pull request #6 from kattni/accel-example

Adding acceleration usage example

Author: siddacious

examples/trellism4_acceleration.py

@@ -0,0 +1,9 @@
+import time
+import adafruit_trellism4
+
+trellis = adafruit_trellism4.TrellisM4Express()
+
+while True:
+    x, y, z = trellis.acceleration
+    print(x, y, z)
+    time.sleep(0.1)