Lidl HG08008: Add pairing notes (Koenkk#2916)

Author: petrows

docs/devices/HG08008.md

@@ -23,7 +23,10 @@ pageClass: device-page
 
 
 <!-- Notes BEGIN: You can edit here. Add "## Notes" headline if not already present. -->
+## Notes
 
+### Pairing
+Factory resetting: keep OFF for at least 10 seconds, 3x power ON/OFF, keep powered on last on, device starts to blink and goes into pairing mode.
 
 <!-- Notes END: Do not edit below this line -->
 
@@ -41,7 +44,7 @@ pageClass: device-page
 
 ## Exposes
 
-### Light 
+### Light
 This light supports the following features: `state`, `brightness`, `color_temp`, `color_xy`.
 - `state`: To control the state publish a message to topic `zigbee2mqtt/FRIENDLY_NAME/set` with payload `{"state": "ON"}`, `{"state": "OFF"}` or `{"state": "TOGGLE"}`. To read the state send a message to `zigbee2mqtt/FRIENDLY_NAME/get` with payload `{"state": ""}`.
 - `brightness`: To control the brightness publish a message to topic `zigbee2mqtt/FRIENDLY_NAME/set` with payload `{"brightness": VALUE}` where `VALUE` is a number between `0` and `254`. To read the brightness send a message to `zigbee2mqtt/FRIENDLY_NAME/get` with payload `{"brightness": ""}`.