add neopixel example

lib/NeoPattern/NeoPattern_api_json.h

@@ -0,0 +1,16 @@
+#ifndef __PIXEL_JSON_API__
+#define __PIXEL_JSON_API__
+/*
+modes: PIXELS_OFF = 0, COLOR_WHEEL_MODE = 1, COLOR_MODE = 2, PATTERN_MODE = 3
+patterns: NONE = 0, RAINBOW_CYCLE = 1, THEATER_CHASE = 2, COLOR_WIPE = 3, SCANNER = 4, FADE = 5
+{
+    "mode": int,
+    "value": int || String
+}
+*/
+
+#define JSON_MODE_NODE "mode"
+#define JSON_VALUE "value"
+#define JSON_ACTION_NODE "action"
+
+#endif