Examine source code of Sotel.vn

{
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "default_icon": "img/16.png",
    "default_popup": "myPopup.html"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "css": [
        "/css/sotel.css"
      ],
      "js": [
        "scripts/jquery.min.js",
        "scripts/content.js",
        "scripts/axios.js",
        "scripts/jquery.notify.min.js",
        "scripts/md5.js"
      ],
      "matches": [
        "https://*.facebook.com/*",
        "https://*.messenger.com/*",
        "https://static.xx.fbcdn.net/*",
        "https://*.fbcdn.net/"
      ]
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "description": "Sotel.vn Ứng dụng tìm kiếm khách hàng tiềm năng!",
  "icons": {
    "16": "img/16.png",
    "32": "img/32.png",
    "48": "img/48.png",
    "64": "img/64.png",
    "96": "img/96.png",
    "128": "img/128.png"
  },
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkMb5Kos0ibdqtECbNDClJ0+Ca1zGGqZtKAjUZ4Ra+TblOiw6XOF0XzcZIAdu8xGZe4D90NYPN815rcKXxgbJqiNbKWiwZHJ+vQAbbwApcoNIgcNK6tq8lBykyj5Zqa4gIGYRaU3Yv1jOtFRXjSpoelmd7v838oGih1TpMDIVIaoCbWYsoqpV9kDqgB4hNHW6qdipTtsWZ0+X1iDgdyfXt7A6o3sB8fzpAexPpm3KpNJnKSIjj92IGAK8Gr7KUqKsqbY5+mHU/OZEbf/3PWTsr+vSwKUY1XO4344bdRxH//Pt8Qa+AXMiM4tAPRJXPVzJSE6AF3BoBqp7pNxTn044hQIDAQAB",
  "manifest_version": 2,
  "name": "Sotel.vn",
  "permissions": [
    "https://*.facebook.com/*",
    "https://wwww.messenger.com/*",
    "https://*.sotel.vn/*",
    "https://*.quetphone.com/*",
    "tabs"
  ],
  "short_name": "Sotel",
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "1.4.4",
  "web_accessible_resources": [
    "scripts/mypopup.js"
  ]
}