Examine source code of AudioNavigator

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "version": "1.0.4",
  "description": "__MSG_extDescription__",
  "default_locale": "en",
  "action": {
    "default_title": "__MSG_extName__"
  },
  "background": {
    "scripts": [
      "extension/background.js"
    ]
  },
  "permissions": [
    "storage"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; font-src 'self';"
  },
  "icons": {
    "16": "assets/icons/icon-16.png",
    "32": "assets/icons/icon-32.png",
    "48": "assets/icons/icon-48.png",
    "128": "assets/icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "audionavigator@mkyu.one",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "109.0"
    }
  }
}