Add md file to show the blocks for the SparkFun LED Stick.

Author: lizlooney

external_samples/docs/SparkFunLEDStick_set_brightness_1.png

@@ -0,0 +1,13 @@
+# SparkFun LED Stick
+
+<img src="SparkFunLEDStick_set_color_1.png">
+
+<img src="SparkFunLEDStock_set_brightness_1.png">
+
+<img src="SparkFunLEDStock_set_brightness_2.png">
+
+<img src="SparkFunLEDStock_set_color_2.png">
+
+<img src="SparkFunLEDStock_set_colors.png">
+
+<img src="SparkFunLEDStock_turn_all_off.png">