Examine source code of Reduce motion

{
  "manifest_version": 3,
  "name": "Reduce motion",
  "version": "1.2.2",
  "description": "Disables animations.",
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "reduced-montion@osiek",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "115.0"
    }
  }
}