Examine source code of Wi-Fi QR code generator

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "author": "tukapiyo",
  "developer": {
    "name": "tukapiyo",
    "url": "https://www2.filewo.net/"
  },
  "description": "__MSG_extensionDescription__",
  "version": "1.0.2",
  "applications": {
    "gecko": {
      "id": "qr-wifi@filewo.net",
      "strict_min_version": "57.0"
    }
  },
  "default_locale": "en",
  "icons": {
    "32": "image/toolbar-logo.svg",
    "48": "image/logo.svg",
    "96": "image/logo.svg"
  },
  "background": {
    "scripts": [
      "/scripts/qr-wifi-background.js",
      "/scripts/jquery.min.js",
      "/scripts/jquery-qrcode-0.14.0.js"
    ]
  },
  "browser_action": {
    "browser_style": false,
    "default_icon": "image/toolbar-logo.svg",
    "default_title": "__MSG_extensionName__"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "/scripts/qr-wifi-page.js"
      ]
    }
  ],
  "permissions": [
    "contextMenus"
  ]
}