Examine source code of iFood Promotions Tracker

{
  "manifest_version": 2,
  "name": "iFood Promotions Tracker",
  "version": "1.1.0",
  "description": "Marque promoções do portal iFood como Feito, Verificar ou Importante.",
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "*://portal.ifood.com.br/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://portal.ifood.com.br/promotions/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_action": {
    "default_icon": {
      "48": "icons/icon48.png"
    },
    "default_popup": "popup.html",
    "default_title": "iFood Promotions Tracker"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ifood-promotions-tracker@extension",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "web_accessible_resources": [
    "import.html",
    "import.js"
  ]
}