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.

assets/themes/tokyo-night/colors.toml

@@ -0,0 +1,23 @@
+accent = "#7aa2f7"
+cursor = "#c0caf5"
+foreground = "#a9b1d6"
+background = "#1a1b26"
+selection_foreground = "#c0caf5"
+selection_background = "#7aa2f7"
+
+color0 = "#32344a"
+color1 = "#f7768e"
+color2 = "#9ece6a"
+color3 = "#e0af68"
+color4 = "#7aa2f7"
+color5 = "#ad8ee6"
+color6 = "#449dab"
+color7 = "#787c99"
+color8 = "#444b6a"
+color9 = "#ff7a93"
+color10 = "#b9f27c"
+color11 = "#ff9e64"
+color12 = "#7da6ff"
+color13 = "#bb9af7"
+color14 = "#0db9d7"
+color15 = "#acb0d0"