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/nomarchy/default/hypr/apps/pip.conf

@@ -0,0 +1,10 @@
+# Picture-in-picture overlays
+windowrule = tag +pip, match:title (Picture.?in.?[Pp]icture)
+windowrule = tag -default-opacity, match:tag pip
+windowrule = float on, match:tag pip
+windowrule = pin on, match:tag pip
+windowrule = size 600 338, match:tag pip
+windowrule = keep_aspect_ratio on, match:tag pip
+windowrule = border_size 0, match:tag pip
+windowrule = opacity 1 1, match:tag pip
+windowrule = move (monitor_w-window_w-40) (monitor_h*0.04), match:tag pip