Examine source code of Net Pocket

{
  "manifest_version": 2,
  "name": "Net-pocket",
  "short_name": "net-pocket-addon",
  "version": "1.4.9",
  "description": "Sprawdź, które sklepy oferują najwyższy cashback i głosuj na swojego ulubionego Twórcę już z poziomu przeglądarki internetowej.",
  "browser_action": {
    "default_title": "Net-Pocket Addon",
    "default_popup": "pages/popup.html",
    "default_icon": "assets/logo.png"
  },
  "author": "aveneo",
  "background": {
    "page": "pages/background.html"
  },
  "homepage_url": "https://net-pocket.com",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "pages/index.js"
      ],
      "css": [
        "pages/index.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "assets/*",
    "icons/*"
  ],
  "permissions": [
    "tabs",
    "https://*/*",
    "storage"
  ],
  "minimum_chrome_version": "60",
  "icons": {
    "16": "assets/icon-16.png",
    "19": "assets/icon-19.png",
    "24": "assets/icon-24.png",
    "32": "assets/icon-32.png",
    "38": "assets/icon-38.png",
    "48": "assets/icon-48.png",
    "64": "assets/icon-64.png",
    "96": "assets/icon-96.png",
    "128": "assets/icon-128.png"
  }
}