Preview release

A very simple preview build. It currently operates on a fixed input (shown below) and you can't refer to previous results.

{
  "simple": 123,
  "nested": {
    "a": [
      1,
      2,
      "a"
    ],
    "b": true,
    "c": null
  },
  "non_printable": "🇬🇧"
}