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/hardware/nomarchy-battery-remaining

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# Returns the battery percentage remaining as an integer.
+# Used by the battery monitor and the Ctrl + Shift + Super + B hotkey.
+
+upower -i $(upower -e | grep BAT) | awk '/percentage/ { 
+    print int($2)
+    exit
+}'