Examine source code of Burn Everything

{
  "manifest_version": 2,
  "name": "Burn Everything",
  "version": "3.18",
  "description": "Burn Everything brings web pages to life with immersive fire and smoke effects.",
  "permissions": [
    "contextMenus",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "burn-everything@example.com",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}