[LUDOC-519] Add missing documentation for foreign symlink layout

Sat, 30 Sep 2023 14:05:18 +0000

The foreign symlink feature is a specific use case of the generic foreign layout feature.
Its complete description can be found in LU-12682 Lustre JIRA ticket.
This LUDOC ticket is to address its current lack of documentation.

Whamcloud Community JIRA

[LUDOC-519] Add missing documentation for foreign symlink layout