text: 
  exports.up = function(knex) {
      return knex.schema.createTable('ongs', function(table) {
        table.string('id').primary();
        table.string('name').unique().notNullable();
        table.string('email').notNullable();
        table.string('whatsapp').notNullable();
        table.string('city').notNullable();
        table.string('uf', 2).notNullable();
      });
    };
    
    exports.down = function(knex) {
      return knex.schema.dropTable('ongs');
    };
    