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/appearance/nomarchy-theme-list

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+{
+  find ~/.config/nnomarchy/themes/ -mindepth 1 -maxdepth 1 \( -type d -o -type l \) -printf '%f\n'
+  find "$NOMARCHY_PATH/assets/themes/" -mindepth 1 -maxdepth 1 -type d -printf '%f\n'
+} | sort -u | while read -r name; do
+  echo "$name" | sed -E 's/(^|-)([a-z])/\1\u\2/g; s/-/ /g'
+done