create users stream

api4.js

function createUsers(firstName, lastName) {
  const customer = {
    id: `${firstName}-${lastName}`.toLowerCase(),
    name: firstName,
    role: 'user',
  };

  const supporter = {
    id: 'adminId',
    name: 'unique-admin-name',
    role: 'admin'
  }
  return [customer, supporter]
}