• configurable parameters (e.g. map url, event date). see: config/app.sample.js
• autoplay animation in footer
• optional qr scanner
• optional unique links per guest (based on csv)
• i18n
• og tags

Try in codesandbox:

• Visit https://codesandbox.io/s/github/wzulfikar/nextjs-wedding-invite
• Rename src/config/app.sample.js to src/config/app.js
• Rename pages/guest_list.sample.json to pages/guest_list.json
• Change any value in src/config/app.js to see it updated in real time

Live Demo: https://wedding-invite-demo.wzulfikar.now.sh

Screenshot: