Examine source code of IMD

{
  "manifest_version": 3,
  "name": "IMD",
  "version": "0.2",
  "description": "Ikea 3d model downloader",
  "browser_specific_settings": {
    "gecko": {
      "id": "ModelDownloader@IMD.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "downloads",
    "downloads.open",
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "*://www.ikea.com/*",
    "*://web-api.ikea.com/*"
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "512": "icons/logo512-transparent.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.ikea.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ]
}