Examine source code of Startx

{
  "manifest_version": 2,
  "name": "Startx",
  "description": "Disrupting data share",
  "homepage_url": "https://www.startx.ng",
  "version": "1.1",
  "browser_action": {
    "default_title": "Scan to fill web form",
    "default_popup": "index.html"
  },
  "icons": {
    "16": "icon_16.png",
    "32": "icon_32.png",
    "48": "icon_48.png",
    "128": "icon_128.png"
  },
  "permissions": [
    "tabs",
    "http://*/*",
    "https://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{89e8be3d-4a5b-4f38-b11f-29b8a5565ac5}"
    }
  }
}