SHOPIFY DISCOUNT SHEET — PREMIUM v2.1 SAFE UPGRADE

1. cPanel File Manager-e current Shopify Discount Sheet folder open korun.
2. Ei ZIP file-ta direct oi folder-e upload korun.
3. Extract korun and existing files overwrite/replace allow korun.
4. Browser-e Ctrl + F5 diye hard refresh korun.

PRESERVED AUTOMATICALLY
- config.php (login password and base settings)
- storage/settings.php (saved Shopify credentials)
- storage/templates.json (saved column templates)

NEW IN THIS VERSION
- Wide table page-ke ar expand korbe na; table nijer panel-er vitore scroll korbe
- Premium default-discount control
- Duplicate SKU/Barcode skip or refresh option
- Real Microsoft Excel .xlsx download
- Leading-zero SKU/Barcode text format preservation

Important: Full-package ZIP diye existing installation replace korben na unless config.php backup ache.
