Magento 2 create new customer section

i want to create new customer section example sampleorder

url like : customer/account/sampleorders/

i tried below method that is working but it is wrong way to modify core magento files, what i tried is below, but i want to do it vai module

1: created a file Sampleorders.php

vendor/magento/module-customer/Controller/Account/Sampleorders.php

< ?php
namespace MagentoCustomerControllerAccount;

class Sampleorders extends MagentoCustomerControllerAbstractAccount
{

   /**
  * Index Action*
  * @return void
  */
  public function execute()
  {
       echo "hellow";
      exit();

  }
}