Examine source code of QR Code Share

{
  "manifest_version": 2,
  "name": "QR Code Share",
  "version": "1.1.0",
  "description": "Create QR codes entirely offline. No URLs, analytics, or personal information are collected or sent.",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/qr-16.png",
      "48": "icons/qr-48.png",
      "128": "icons/qr-128.png"
    },
    "default_title": "Share this page as a QR code",
    "default_popup": "popup.html"
  },
  "page_action": {
    "default_icon": {
      "16": "icons/qr-16.png",
      "48": "icons/qr-48.png",
      "128": "icons/qr-128.png"
    },
    "default_title": "Share this page as a QR code",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "icons/qr-16.png",
    "48": "icons/qr-48.png",
    "128": "icons/qr-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a7272980-2b62-4581-837b-b6d70c536950}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "content_security_policy": "script-src 'self'; object-src 'self';"
}