[Ovmsdev] openvehicles.com outage

There is a scheduled electricity supply 5 year maintenance, affecting openvehicles.com and api.openvehicles.com services, on 2023-08-20 between 00:30 and 09:00 UTC.

During this time, OVMS services will be impacted. We will do what we can to minimise the disruption time in this maintenance window.

Regards, Mark