[FEATURE] Add option to pause conversions if laptop goes on battery power

This would extend the usable UPS time to allow other critical operations to continue during power outages (wifi, modem, router, tuners, etc). A checkbox in the appropriate settings window would be great. In the meantime, I am thinking this might be able to be accomplished using a scheduled task that waits for a marker from power management that indicates AC power failure, and would run a CLI command to pause conversions. The command would then need to monitor power management to determine when AC power was restored which would then toggle the pause action.

It’s already there