FSFPAY PrestaShop Module (Multi-version, Multi-language)

Features:
- Compatible with PrestaShop 1.6, 1.7 and 8.x (universal module)
- Admin settings: API Key, API Secret, Test/Live endpoints, optional Custom endpoint (must start with https://), Complete/Failed order states selection
- Payment hook creates hosted checkout session by calling /create-session and redirects customer
- Webhook endpoint at module's front controller: index.php?fc=module&module=fsfpay&controller=webhook
- Multilanguage: English, Turkish, French, Arabic (module translations included)
- Journal/Theme agnostic: templates for both PS1.6 and PS1.7+

Installation:
1. Upload the 'fsfpay' folder to /modules/ or upload ZIP in Modules > Upload a module (zip the module folder).
2. In Back Office, install and configure FSFPAY from Modules.
3. Set webhook URL in FSFPAY panel to:
   https://yourstore.com/module/fsfpay/webhook  (or use module link displayed in admin)
4. Test in sandbox mode before going live.

Note:
- PrestaShop handles translations via BO; included translation files are a convenience.
- Some older PrestaShop hosts may require enabling curl and proper permissions.

