feat(audit): address batch 1 of missing scripts and enable fwupd

- Move 18 Hyprland/desktop scripts from features/desktop/scripts/ to packaged directories
- Add nomarchy.hardware.fwupd option (default false) and enable service
- Implement nomarchy-update-firmware wrapper for fwupdmgr
- Add hyprland, swayosd, and fwupd to nomarchy-system-scripts dependencies
- Update docs/SCRIPTS.md with 'kept' status for ported scripts

features/scripts/utils/nomarchy-restart-waybar

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+# Waybar is provided as a Home Manager user service
+# (programs.waybar.systemd.enable = true), so the right way to restart it is
+# via systemd. `pkill + uwsm-app` races with HM's sd-switch on theme changes
+# and sometimes lands the new waybar without a full environment, producing
+# the "wrong colors after theme switch" symptom.
+
+if systemctl --user list-unit-files waybar.service >/dev/null 2>&1; then
+  exec systemctl --user restart waybar.service
+fi
+
+# Fallback for systems where waybar isn't managed by systemd.
+nomarchy-restart-app waybar