curl --request PUT \
  --url https://api.duvo.ai/v1/skills/{skill_id}/files/{*} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "content": "<string>"
}
'

{
  "success": true,
  "message": "<string>",
  "skill": {
    "id": "<string>",
    "name": "<string>",
    "description": "<string>"
  }
}