Examine source code of Next QR Code Generator

{
  "manifest_version": 2,
  "name": "Next QR Code Generator",
  "description": "A addon to generate Chromium-style QR codes featuring the iconic Firefox logo",
  "version": "1.0.1",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "default_locale": "en",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "mac": "Alt+Shift+Q",
        "default": "Alt+Shift+Q"
      },
      "description": "Show QR code for current page"
    }
  },
  "web_accessible_resources": [
    "wasm/*"
  ],
  "content_security_policy": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self';",
  "browser_action": {
    "default_title": "Add QR Code Generator Icon Back To Address Bar",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2b108685-9289-4396-ada0-971b6468de84}"
    }
  }
}