vercel.json

{
  "headers": [
    {
      "source": "/(.*)",
      "headers": [
        { "key": "X-Content-Type-Options", "value": "nosniff" },
        { "key": "X-Frame-Options", "value": "DENY" },
        { "key": "Referrer-Policy", "value": "strict-origin-when-cross-origin" },
        { "key": "X-Powered-By", "value": "" },
        { "key": "Strict-Transport-Security", "value": "max-age=63072000; includeSubDomains; preload" },
        { "key": "Permissions-Policy", "value": "camera=(), microphone=(), geolocation=(), payment=()" },
        { "key": "Content-Security-Policy", "value": "default-src 'self'; base-uri 'self'; object-src 'none'; frame-ancestors 'none'; form-action 'self'; img-src 'self' data: https: blob:; font-src 'self' data:; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; connect-src 'self' https:; frame-src https://www.youtube.com; media-src 'self';" }
      ]
    }
  ]
}