To restore a web link that has been moved to the trash, but has not yet been purged, make aDocumentation Index
Fetch the complete documentation index at: https://developer.box.com/llms.txt
Use this file to discover all available pages before exploring further.
POST request to the /web_links/:web_link_id endpoint. This
will place the web link in the original parent folder if it is still
available, you optionally can specify a parent folder.
