useGroupBy()

import { useRepo } from 'pinia-orm'
import { useGroupBy } from 'pinia-orm/helpers'
import User from './models/User'
const users = useRepo(User).all()
// group by the 'name' attribute
useGroupBy(users, 'name')
// group by the 'name' and 'age' attribute
useGroupBy(users, ['name', 'age'])

export function useGroupBy<T>(models: T[], fields: string[] | string): Record<string, T[]>