Examine source code of WorldLink

{
  "name": "WorldLink",
  "version": "4.2.1",
  "description": "Create Hotspot , Search Device , Analyse Device , Extract Offline Device and many more.. all in one Extension for Wi-Fi Project",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_icon": "assets/img/favicon.png",
    "default_title": "WorldLink",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "f28a202bc623d58fcc2063e35d701426d5056b18@bimash.com.np",
      "strict_min_version": "48.0"
    }
  },
  "icons": {
    "16": "assets/img/favicon.png",
    "32": "assets/img/favicon.png",
    "64": "assets/img/favicon.png",
    "128": "assets/img/favicon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "inject.js"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "manifest_version": 2
}