Login and UKI updates (#2242)

* Change DM to SDDM

* Move to custom named UKI

* Skip creation on Mac

* Add entry to make sure VSCode uses gnome keyring

* Fix order for UKI generation

* Limine only

* BTRFS only

* Add checks for possible issues

* Remove

* Add verification to omarchy-pkg-add and speed up installs

* Use omarchy-pkg-add

* Update files to include dirs

* Fix relaunch

install/preflight/guard.sh

@@ -36,5 +36,11 @@ if pacman -Qe gnome-shell &>/dev/null || pacman -Qe plasma-desktop &>/dev/null;
   abort "Fresh + Vanilla Arch"
 fi
 
+# Must have limine installed
+command -v limine &>/dev/null || abort "Limine bootloader"
+
+# Must have btrfs root filesystem
+[ "$(findmnt -n -o FSTYPE /)" = "btrfs" ] || abort "Btrfs root filesystem" 
+
 # Cleared all guards
 echo "Guards: OK"