⚙️ SETUP REQUIRED

This app uses a shared Google Sheet as its database. You only need to do this setup once.

1. Go to Google Sheets and create a new spreadsheet
2. Name row 1 headers: GTIN13 / GTIN14 / ProductName
3. Open Extensions → Apps Script
4. Delete everything and paste the script from the apps-script.gs file included with this app
5. Click Deploy → New deployment → Web app
6. Set Who has access to "Anyone", click Deploy
7. Copy the Web App URL and paste it below