Add AC Filter Status "Sensor" 
[LGThinQ] [Air Conditioner] Received snapshot:  {"airState.windStrength":6,"airState.bellSound.control":1,"fwUpgradeInfo":{"upgSched":{"upgUtc":"0","cmd":"none"}},"static":{"deviceType":"401","countryCode":"US"},"airState.tempState.current":22.5,"airState.diagCode":0,"airState.lightingState.displayControl":1,"airState.wDir.hStep":0,"mid":950549661,"airState.energy.onCurrent":0,"airState.reservation.sleepTime":0,"airState.quality.sensorMon":0,"airState.tempState.target":16,"airState.DR.northAmerica":0,"airState.operation":0,"airState.reservation.targetTimeToStart":0,"meta":{"allDeviceInfoUpdate":false,"messageId":"KvnXU0AjTw-2Q19lUOZd6w"},"online":true,"airState.opMode":0,"airState.reservation.targetTimeToStop":0,"airState.filterMngStates.maxTime":250,"airState.filterMngStates.useTime":187,"timestamp":1712333069709}

**Which device do you want to add? Please describe:**
I would like to have a "sensor" created that reports the status of the Window AC air filter. 

It is difficult to remember when our air filter needs to be cleaned.  

**Describe the solution you'd like:**
To expose the devices filter state as sensor with a "clean(open/on/green)" or "dirty(closed/off/red)" state in HomeKit allowing for automation triggers based on its current state. 

For example, if the filter status reports dirty (100% use) change the color of a near by LED light to RED. 


**Device Data:**
airState.filterMngStates.maxTime":250,"airState.filterMngStates.useTime":187,


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