Examine source code of Secure Messanger

{
  "manifest_version": 3,
  "name": "Secure Messanger",
  "version": "1.0",
  "description": "Opens my Base44 login and texting panel.",
  "browser_specific_settings": {
    "gecko": {
      "id": "secure-messanger@dev.local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_popup": "popup.html"
  }
}