Examine source code of Tureng'de Ara

{
  "manifest_version": 2,
  "name": "Tureng'de Ara",
  "description": "Aramak istediginiz metni secin, sag tiklayin, 'Turengde Ara'ya basin. Metin yeni sekmede tureng aramasi olarak acilacaktir.",
  "version": "1.0",
  "homepage_url": "https://github.com/paddlesteamer/tureng-firefox-add-on",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "icons/tureng-icon.png"
  },
  "permissions": [
    "activeTab",
    "contextMenus"
  ]
}