Update light.flux_led.markdown (home-assistant#1424)

Danielhiversen · fabaff · commit e67faef2a0aa · 2016-11-10T15:39:39.000+01:00
diff --git a/source/_components/light.flux_led.markdown b/source/_components/light.flux_led.markdown
@@ -73,3 +73,19 @@ automation:
       entity_id: light.flux_living_room_lamp
       effect: random
 ```
+
+Will add a light with out the white mode:
+
+```yaml
+    192.168.1.10:
+      name: NAME
+      mode: "rgb"
+```
+
+Will add a light wit white mode (default). Changing the brightness will set the bulb in white mode:
+
+```yaml
+    192.168.1.10:
+      name: NAME
+      mode: "rgbw"
+```
