GAUGE card: "reverse" severity settings

[Masterz69]

Now severity to be configured in a way: smaller is better.
F.e. 0-10 - green; 10-20 - yellow; 20-30 - red.

Propose to introduce "reverse" severity too for cases: bigger is better.
F.e. 0-10 - red; 10-20 - yellow; 20-30 - green.

Use case is f.e. gauges to show LTE signal parameter like RSSI, SINR, RSRP, RSRQ.
Bigger values is better - "greener". Scale is red-yellow-green, no a usual green-yellow-red.