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/apps/nomarchy-launch-or-focus-webapp

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# Launch or focus on a given web app identified by the window-pattern.
+# Use by some default bindings, like the one for WhatsApp, to ensure there is only one instance of the application open.
+
+if (($# == 0)); then
+  echo "Usage: nnomarchy-launch-or-focus-webapp [window-pattern] [url-and-flags...]"
+  exit 1
+fi
+
+WINDOW_PATTERN="$1"
+shift
+LAUNCH_COMMAND="nnomarchy-launch-webapp $@"
+
+exec nnomarchy-launch-or-focus "$WINDOW_PATTERN" "$LAUNCH_COMMAND"