Add ffac-weeklyreboot

This package will reboot the node every Thursday morning between 3 and
6.
This will hopefully fix issues with nodes where WiFi randomly
misbehaves.

image-customization.lua

@@ -36,6 +36,7 @@ packages({
 	'respondd-module-airtime',
 	'ffbs-debugbathosts',
 	'ffbs-collect-debug-info',
+	'ffac-weeklyreboot',
 })
 
 -- support acpi shutdown for openwrt as VM