message: chore(utils-general): make DemandStatus and TimeFrame stringed enums
diff: export enum TimeFrame {
  - yearly,
  - monthly,
  - daily,
  - weekly,
  - hourly,
  - halfHourly
  + Yearly = 'Yearly',
  + Monthly = 'Monthly',
  + Daily = 'Daily',
  + Weekly = 'Weekly',
  + Hourly = 'Hourly',
  + HalfHourly = 'HalfHourly'
  }
  export enum Unit {
  @@ -17,7 +17,7 @@ export enum Unit {
  }
  export enum DemandStatus {
  - ACTIVE,
  - PAUSED,
  - ARCHIVED
  + ACTIVE = 'ACTIVE',
  + PAUSED = 'PAUSED',
  + ARCHIVED = 'ARCHIVED'
  }
  