adding examples for access Clear and NIR channels

Author: bjones14

examples/as7341_simpletest.py

@@ -23,5 +23,7 @@ def bar_graph(read_value):
     print("F6 - 590nm/Yellow  %s" % bar_graph(sensor.channel_590nm))
     print("F7 - 630nm/Orange  %s" % bar_graph(sensor.channel_630nm))
     print("F8 - 680nm/Red     %s" % bar_graph(sensor.channel_680nm))
+    print("Clear              %s" % bar_graph(sensor.channel_clear))
+    print("Near-IR (NIR)      %s" % bar_graph(sensor.channel_nir))
     print("\n------------------------------------------------")
     sleep(1)