refactor: move into preseed method folder

preseed_method/files_to_serve/preseed.cfg

@@ -20,16 +20,11 @@ d-i netcfg/get_domain string unassigned-domain
 
 ### Mirror settings
 # If you select ftp, the mirror/country string does not need to be set.
-#d-i mirror/protocol string ftp
+d-i mirror/protocol string https
 d-i mirror/country string manual
-d-i mirror/http/hostname string deb.debian.org
-d-i mirror/http/directory string /debian
-d-i mirror/http/proxy string 
-
-# NOTICE
-# WHY it say HTTP instead of HTTPS ??
-
-# Suite to install.
+d-i mirror/https/hostname string cdn-fastly.deb.debian.org
+d-i mirror/https/directory string /debian
+d-i mirror/https/proxy string 
 d-i mirror/suite string bookworm
 
 ### Account setup
@@ -97,6 +92,7 @@ d-i partman/confirm_nooverwrite boolean true
 # You can choose to install non-free and contrib software.
 d-i apt-setup/non-free boolean true
 d-i apt-setup/contrib boolean true
+d-i apt-setup/services-select multiselect security, updates, release updates
 
 d-i debian-installer/allow_unauthenticated boolean true