Examine source code of DnD List Randomizer

{
  "manifest_version": 3,
  "name": "DnD List Randomizer",
  "version": "1.3",
  "description": "Quickly and easily randomly select spells, monsters, magic items and more from the lists on D&D Beyond.",
  "icons": {
    "48": "icons/d8-colour.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.dndbeyond.com/*"
      ],
      "js": [
        "dnd-rollable-lists.js"
      ]
    }
  ],
  "permissions": [
    "activeTab"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/d8-colour.png"
      ],
      "matches": [
        "*://*.dndbeyond.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e3553fef-48ad-41e9-b359-d8856609522f}"
    }
  }
}