async function create(selector, room) {
  const house = await db.House.findOne({
    where: {
      selector,
    },
  });

  if (house === null) {
    throw new NotFoundError('House not found');
  }

  room.house_id = house.id;
  const roomCreated = await db.Room.create(room);
  const roomPlain = roomCreated.get({ plain: true });

  // add room to the brain
  this.brain.addNamedEntity('room', roomPlain.id, roomPlain.name);

  return roomPlain;
}
@description Create a room in a house.
@param {string} selector - The selector of a house.
@param {object} room - The room to create.
@returns {Promise<object>} Resolve with created room.
@example
gladys.room.create('my-house', {
   name: 'Kitchen'
});