Add missing item definition for Heating US.
user
```csv
name,Heating US
algFile,default.js
name,path,type,isDataItemValue,isDrillDown,unit,perUnit,default,choices
Fuel,fuel,TEXT,true,true,,,,
is Air Con,isAirCon,TEXT,false,false,,,true,
kWh Per Year Air Con,kWhPerYearAirCon,DECIMAL,true,false,,,,
kWh Per Year Space,kWhPerYearSpace,DECIMAL,true,false,,,,
kWh Per Year Water,kWhPerYearWater,DECIMAL,true,false,,,,
Number Of Bedrooms,numberOfBedrooms,TEXT,true,true,,,,
Source,source,TEXT,true,false,,,,
State,state,TEXT,true,true,,,,
Type,type,TEXT,true,true,,,,
```
assistant