Theme block JSON setting completion/hover

[charlespwd]

Requirements:

• Key completion of presets.[].settings (same file)

{% schema %}
{
  "name": "Header Announcement",
  "blocks": [{ "type": "slide" }],
  "settings": [
    {
      "type": "text",
      "id": "my-text",
      "label": "Text"
    },
    {
      "type": "text",
      "id": "my-number",
      "label": "Text"
    }
  ],
  "presets": [
    {
      "name": "Header Announcement",
      "settings": {
        "█": "<-- should complete 'my-number', 'my-text'"
      },
    }
  ]
}
{% endschema %}