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-cmd-screensaver

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# Run the Nnomarchy screensaver using random effects from TTE.
+
+screensaver_in_focus() {
+  hyprctl activewindow -j | jq -e '.class == "org.nnomarchy.screensaver"' >/dev/null 2>&1
+}
+
+exit_screensaver() {
+  hyprctl keyword cursor:invisible false &>/dev/null || true
+  pkill -x tte 2>/dev/null
+  pkill -f org.nnomarchy.screensaver 2>/dev/null
+  exit 0
+}
+
+# Exit the screensaver on signals and input from keyboard and mouse
+trap exit_screensaver SIGINT SIGTERM SIGHUP SIGQUIT
+
+printf '\033]11;rgb:00/00/00\007'  # Set background color to black
+
+hyprctl keyword cursor:invisible true &>/dev/null
+
+tty=$(tty 2>/dev/null)
+
+while true; do
+  tte -i ~/.config/nnomarchy/branding/screensaver.txt \
+    --frame-rate 120 --canvas-width 0 --canvas-height 0 --reuse-canvas --anchor-canvas c --anchor-text c\
+    --random-effect --exclude-effects dev_worm \
+    --no-eol --no-restore-cursor &
+
+  while pgrep -t "${tty#/dev/}" -x tte >/dev/null; do
+    if read -n1 -t 1 || ! screensaver_in_focus; then
+      exit_screensaver
+    fi
+  done
+done