Examine source code of Language Learning

{
  "manifest_version": 3,
  "default_locale": "en",
  "name": "__MSG_extensionName__",
  "browser_specific_settings": {
    "gecko": {
      "id": "learnlang@gmail.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "version": "0.5.0",
  "description": "__MSG_extensionDescription__",
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "popup/index.html",
    "default_icon": "icon-34.png"
  },
  "icons": {
    "128": "icon-128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "*.js",
        "*.css",
        "*.svg",
        "icon-128.png",
        "icon-34.png"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  }
}