Adding automatic nightly backup feature to ZHA integration in Home Assistant

[Hedda]

Tip! le_top shown how users can now themselves add commands for doing backup of your Zigbee network and more from within Home Assistant by utilizing “zha_custom” HACS custom component by @mdeweerd (originally fork of "zha_custom" by Adminiuga), check out:

https://community.home-assistant.io/t/zha-custom-service-to-send-custom-zha-commands-extra-functions/373346/

https://github.com/mdeweerd/zha_custom

Backup should be useful to more people once puddly add his initial implementation of cross-adapter network backup/restore to zigpy-cli:

zigpy/zigpy-cli#2

Still, would be nicer if automatic nightly backups were included as an option in ZHA's UI and enabled by default like in this feature request:

https://community.home-assistant.io/t/zha-integration-to-do-nightly-backup-of-both-zigbee-coordinator-adapter-dongle-stick-and-zigbee-database/357558/

FYI, built-in automatic nightly backups have been standard in Zigbee2MQTT for a long time and think many users assume ZHA has it too.

PS: Z2M always automatically stores Zigbee network backup to “data/coordinator_backup.json” which makes it easy to recover and migrate.

https://www.zigbee2mqtt.io/guide/faq/#how-do-i-move-my-zigbee2mqtt-instance-to-a-different-environment

https://www.zigbee2mqtt.io/guide/faq/#how-do-i-migrate-from-one-adapter-to-another