Installation instructions:

1. Add downloaded files to your WHMCS root folder into 'modules/registrars/' as any other Registrar module.
2. Add the contents of the file `modules/registrars/bknsjsc/additionalfields.php` to
`resources/domains/additionalfields.php` in your WHMCS root folder. If such a file does not exist, you need to
create it. DO NOT EDIT THE FILE 'resources/domains/dist.additionalfields.php'.
More information on https://docs.whmcs.com/Additional_Domain_Fields
3. Activate downloaded module in System Settings->Domain Registrars as any other Registrar module, using your email/password from  'bknsjsc'.
4. Add domain pricing for TLDS in System Settings->Domain Pricing

After this steps, all additional fields will be visible for the client during domain registration.
