Examine source code of OLX Pro

{
  "manifest_version": 2,
  "name": "__MSG_name__",
  "description": "__MSG_description__",
  "version": "0.2.0",
  "author": "ostrojen1996",
  "default_locale": "en",
  "icons": {
    "48": "icons/logo48.png"
  },
  "browser_action": {
    "default_icon": "icons/logo48.png",
    "default_popup": "html/popup.html"
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.olx.ua/*"
      ],
      "run_at": "document_start",
      "js": [
        "/js/top.js"
      ]
    }
  ]
}