async function getMessageServices() {
  return db.Service.findAll({
    where: {
      has_message_feature: true,
    },
    include: [
      {
        model: db.Pod,
        as: 'pod',
      },
    ],
  });
}
@public
@description Load all services.
@returns {Promise} Return the service or null if not present.
@example
service.getService('telegram');