Examine source code of Aletha

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "1.3.3",
  "description": "__MSG_extensionDescription__",
  "author": "Creatomico",
  "homepage_url": "https://www.creatomico.com",
  "default_locale": "en",
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "chrome_settings_overrides": {
    "homepage": "newtab.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "aletha@creatomico.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  }
}