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.

config/chromium-flags.conf

@@ -1,4 +1,4 @@
 --ozone-platform=wayland
 --ozone-platform-hint=wayland
 --enable-features=TouchpadOverscrollHistoryNavigation
---load-extension=~/.local/share/nomarchy/default/chromium/extensions/copy-url
+--load-extension=~/.config/nomarchy/default/chromium/extensions/copy-url