Manage miners and notifications in one place.
Pushover values from environment variables override the UI.
Example: pushover, bike, cashregister.
Email sending will be wired to alerts in a follow-up step.
TH/s: 0.00
Checks each board `rate_real` from `stats.cgi`. Enabled per miner.
Restart after this many consecutive collector checks with any board at 0 real rate.