feat(system): comprehensive branding, styling, and system feature update

- Relocate themes to assets/themes/ and update all references.
- Implement custom SDDM theme and Plymouth theme enhancements.
- Add themed templates for Alacritty, Hyprland, Waybar, and other apps.
- Introduce Makima key remapper module and configuration.
- Add Voxtype and Walker configurations.
- Implement systemd power management and timeout optimizations.
- Add Nautilus-python extensions for LocalSend.
- Update branding assets and ASCII art integration.

bin/utils/nomarchy-notification-dismiss

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# Dismiss a mako notification on the basis of its summary. Used by the first-run notifications to dismiss them after clicking for action.
+
+if (($# == 0)); then
+  echo "Usage: nnomarchy-notification-dismiss <summary>"
+  exit 1
+fi
+
+# Find the first notification whose 'summary' matches the regex in $1
+notification_id=$(makoctl list | grep -F "$1" | head -n1 | sed -E 's/^Notification ([0-9]+):.*/\1/')
+
+if [[ -n $notification_id ]]; then
+  makoctl dismiss -n $notification_id
+fi