learn device-class

[ArveVM]

community post on soc,,

https://design.home-assistant.io/#misc/entity-state

using state_color: true to have icons change colour on battery-auto-entity-card,,,

Deaktiverte sensors:

- name: "PwrCtr Limit restHour increase possible"

  #   unique_id: 5cd06e0a-4361-4214-9237-1ab4c3fa68e3

sensor.hotwater_soc_chargetime