curl --request PUT \
  --url https://dashboard.gratian.pro/api/v2/apps/{appId}/files \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "path": "<string>",
  "content": "<string>"
}
'

{
  "success": true,
  "data": {
    "path": "index.js",
    "saved": true
  }
}