vercel.json

 1{
 2  "headers": [
 3    {
 4      "source": "/(|install.sh)",
 5      "headers": [
 6        {
 7          "key": "Content-Type",
 8          "value": "text/plain"
 9        },
10        {
11          "key": "Content-Disposition",
12          "value": "inline; filename=\"install.sh\""
13        }
14      ]
15    }
16  ],
17  "rewrites": [
18    {
19      "source": "/",
20      "destination": "/install.sh"
21    }
22  ]
23}