add_wakeupserver_ip.sh — links a wakeup server IP and Port to a MCC-MNC pair
scripts/add_wakeupserver_ip.sh [mcc] [mnc] [wakeup server URL]
Updates the operators collection linking a WakeUp server to the mcc-mnc pair.
This command should only be used each time the WakeUp server address is changed.
It's important to note that the MNC SHALL be 2 digits and MCC 3 digits. Fill with 0s if necessary
With an empty URL into the third parameter, the WakeUp server will be disabled into next runnings