Specifies a URL to download a auto-completion CSV from.
Can be set in: profile.cfg, collection.cfg
This setting allows defining a URL from which the update pipeline will download a auto-completion formatted CSV file which will be processed and included in the auto-completions presented to the user under the results page.
The URL is downloaded using settings used for the web crawler, thus it would be possible to configure basic authentication or form interaction when downloading the URL.
Downloads auto-completion CSV files from multiple websites, the
name in the key can be set to anything.