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/appearance/nomarchy-theme-set-vscode

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+# Sync Nnomarchy theme to VS Code, VSCodium, and Cursor
+
+VS_CODE_THEME="$HOME/.config/nnomarchy/current/theme/vscode.json"
+
+set_theme() {
+  local editor_cmd="$1"
+  local settings_path="$2"
+
+  nnomarchy-cmd-present "$editor_cmd" && [[ $NNOMARCHY_TOGGLE_SKIP_VSCODE_THEME != "true" ]] || return 0
+
+  if [[ -f $VS_CODE_THEME ]]; then
+    theme_name=$(jq -r '.name' "$VS_CODE_THEME")
+    extension=$(jq -r '.extension' "$VS_CODE_THEME")
+
+    if [[ -n $extension ]] && ! "$editor_cmd" --list-extensions | grep -Fxq "$extension"; then
+      "$editor_cmd" --install-extension "$extension" >/dev/null
+    fi
+
+    mkdir -p "$(dirname "$settings_path")"
+    [[ -f $settings_path ]] || printf '{\n}\n' >"$settings_path"
+
+    if ! grep -q '"workbench.colorTheme"' "$settings_path"; then
+      sed -i --follow-symlinks -E '0,/\{/{s/\{/{\ "workbench.colorTheme": "",/}' "$settings_path"
+    fi
+
+    sed -i --follow-symlinks -E \
+      "s/(\"workbench.colorTheme\"[[:space:]]*:[[:space:]]*\")[^\"]*(\")/\1$theme_name\2/" \
+      "$settings_path"
+  elif [[ -f $settings_path ]]; then
+    sed -i --follow-symlinks -E 's/\"workbench\.colorTheme\"[[:space:]]*:[^,}]*,?//' "$settings_path"
+  fi
+}
+
+set_theme "code" "$HOME/.config/Code/User/settings.json"
+set_theme "code-insiders" "$HOME/.config/Code - Insiders/User/settings.json"
+set_theme "codium" "$HOME/.config/VSCodium/User/settings.json"
+set_theme "cursor" "$HOME/.config/Cursor/User/settings.json"