text: 
  exports.up = function(knex, Promise) {
    return knex.schema.createTable('employees', function(table) {
      table.increments();
      table.string('first_name');
      table.string('last_name');
      table.string('role');
      table.integer('restaurant_id');
    });
  };
  
  exports.down = function(knex, Promise) {
    return knex.schema.dropTable('employees');
  };
  