Examine source code of WOLKANCA

{
  "description": "WOLKANCA sitesindeki son güncellemeleri tek tıklamada gör.",
  "manifest_version": 2,
  "name": "WOLKANCA",
  "version": "1.7",
  "homepage_url": "https://wolkanca.com/",
  "icons": {
    "16": "icon-16x16.png",
    "32": "icon-32x32.png",
    "48": "icon-48x48.png",
    "128": "icon-128x128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icon-32x32.png",
    "default_title": "WOLKANCA",
    "default_popup": "wolkanca.html"
  }
}