Updates the docs to work with the website repo - mainly
relative link updates.
Adds a menu.yaml file to build the sidebar menu (no longer
using front matter weight).
* Docs: Add information regarding the LDAP Debug View
* Add instructions to compress image when adding them to the documentation
* Add a troubleshooting section to the docs documentation
* LDAP: improve POSIX support
* Correctly abtain DN attributes result
* Allow more flexibility with comparison mapping between POSIX group & user
* Add devenv for POSIX LDAP server
* Correct the docs
Fixes#18140