How do I add an Apple e gift card to my Wallet App? It's an email from CashStar (Apple credit card rewards) and only has the card number and pin. No link to add to Wallet, no QR code or anything. I've seen I can manually add cards in Wallet, but that seems to be for bank cards. Oddly the internet and my Google skills have not turned up much but old outdated articles. Thanks. iPhone XR, latest iOS version.