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/hackerman/colors.toml

@@ -0,0 +1,23 @@
+accent = "#82FB9C"
+cursor = "#ddf7ff"
+foreground = "#ddf7ff"
+background = "#0B0C16"
+selection_foreground = "#0B0C16"
+selection_background = "#ddf7ff"
+
+color0 = "#0B0C16"
+color1 = "#50f872"
+color2 = "#4fe88f"
+color3 = "#50f7d4"
+color4 = "#829dd4"
+color5 = "#86a7df"
+color6 = "#7cf8f7"
+color7 = "#85E1FB"
+color8 = "#6a6e95"
+color9 = "#85ff9d"
+color10 = "#9cf7c2"
+color11 = "#a4ffec"
+color12 = "#c4d2ed"
+color13 = "#cddbf4"
+color14 = "#d1fffe"
+color15 = "#ddf7ff"