text: 'use strict';
  
  module.exports = {
    up: async (queryInterface, Sequelize) => {
      await queryInterface.addColumn('teams', 'domain', {
        type: Sequelize.STRING,
        allowNull: true,
        unique: true
      });
    },
  
    down: async (queryInterface, Sequelize) => {
      await queryInterface.removeColumn('teams', 'domain');
    }
  };