theming top-level property

List theming
getter/setter pair

Implementation

List theming = [
  {
    "i": "assets/card.png",
  },
  {
    "i": "assets/cardwallet.png",
  },
  {
    "i": "assets/insertcard.png",
  },
  {
    "i": "assets/mobilepayment.png",
  },
];