manifest.json

{
    "name": "ShareVoid",
    "version": "1.0.0",
    "manifest_version": 2,
    "browser_action": {
        "default_popup": "index.html",
        "default_title": "Open the popup"
      },
      "content_security_policy": "script-src 'self' https://cdn.firebase.com https://apis.google.com https://www.gstatic.com; object-src 'self'"
  }