vercel.json

{
  "rewrites": [
    {"source": "/:a*", "destination": "/"}
  ],
  "headers": [
    {
      "source": "/(.*)",
      "headers": [
        { "key": "Cross-Origin-Embedder-Policy", "value": "require-corp" },
        { "key": "Cross-Origin-Opener-Policy", "value": "same-origin" },
        { "key": "Access-Control-Allow-Credentials", "value": "true" },
        {
          "key": "Access-Control-Allow-Origin",
          "value": "https://tweetguess.flawn.eu"
        },

        {
          "key": "Access-Control-Allow-Methods",
          "value": "GET,OPTIONS,PATCH,DELETE,POST,PUT"
        },
        {
          "key": "Access-Control-Allow-Headers",
          "value": "X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version"
        }
      ]
    }
  ]
}