message: Demo option groups in Instrument selector
diff: @@ -8,6 +8,7 @@ import type {
  RuleGroupTypeIC,
  RuleType,
  } from 'react-querybuilder/src/types';
  +import { musicalInstruments } from './musicalInstruments';
  const AntDActionElement = lazy(() => import('./components/AntDActionElement'));
  const AntDDragHandle = lazy(() => import('./components/AntDDragHandle'));
  @@ -249,12 +250,7 @@ export const fields: Field[] = [
  name: 'instrument',
  label: 'Instrument',
  valueEditorType: 'select',
  - values: [
  - { name: 'Guitar', label: 'Guitar' },
  - { name: 'Piano', label: 'Piano' },
  - { name: 'Vocals', label: 'Vocals' },
  - { name: 'Drums', label: 'Drums' },
  - ],
  + values: musicalInstruments,
  defaultValue: 'Piano',
  operators: [{ name: '=', label: 'is' }],
  },
  