Power surge: raspberry does not reconnect

[yghelmut]

Is your feature request related to a problem? Please describe:

I just had a power surge at home and the wifi network took some time to get back online. The Raspberry did not retry long enough and went back to the hotspot feature. This means that if the same thing happens while I'm on holidays, someone would have to get over to my place which makes home automation kind of useless. Agreed, it doesn't happen every week or even month... but it might happen.

Describe the solution you'd like:

Continue to search for the last known network WHILE distributing the hotspot (no idea if that's possible).
OR
Try to reconnect every 10 minutes.
OR
Add it to the config so someone can disable the behavior if needed and reactivate it if for example you change your provider or wifi password.

Describe alternatives you've considered:

Training my dog. It's a beagle, it's cute but pretty dumb...

Additional context:

[oznu]

See https://github.com/homebridge/homebridge-raspbian-image/wiki/How-To-Disable-WiFi-Setup-Portal