🎨 Business & Pet ID Page Customization + vCard Plus Multiple Websites

Business and Pet ID landing pages now support full visual customization — same as vCard Plus and Multi-Link.

Page Customization (Business & Pet ID):
✅ Accent color — presets or custom hex
✅ Background color — presets or custom hex
✅ Gradient backgrounds — two colors + direction
✅ Card color — customize info card backgrounds
✅ Font selection — 12 Google Fonts

vCard Plus — Multiple Websites:
✅ Add multiple websites with type labels (Company, Personal, Portfolio, Blog, Shop)
✅ Add/remove websites just like phones and emails
✅ Backward compatible — existing single website QR codes work as before

Bug Fix:
✅ Fixed vCard Plus landing page text not visible with dark background + light card color combinations

Existing QR codes are not affected — the default look remains until you customize.