Update content extraction settings

curl --request PUT \
  --url https://api.beyondwords.io/v1/projects/{project_id}/content_extraction_settings \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <api-key>' \
  --data '
{
  "mode": "manual",
  "javascript_enabled": false,
  "static_ip_enabled": true,
  "request_headers": {
    "X-Custom-Header": "my-custom-value"
  }
}
'

{
  "mode": "automatic",
  "javascript_enabled": true,
  "static_ip_enabled": false,
  "request_headers": {
    "X-Paywall-Token": "my-secret-token"
  }
}