Replaced pam_mount with systemd automount to manage the mounting of the default school Samba share.
This change improves system integration and simplifies the mount process by leveraging systemd's capabilities.
Use variable localhome to determines whether the localhome module is installed.
Default: localhome=false
Further changes:
- Move pam-exec from common-auth to common-session
- Move pam-mkhomedir before pam-mount to avoid double login on first use
on localhome devices
- user-home is on local disk
- additional entry in dolphin: home@server
- display info about localhome on login-screen
- provide unison-config for sync home with home@server
- force user to be logged out immediately after first login, because
home-dir must exists for bind-mounts on /lmn/media
