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/wm/nomarchy-toggle-waybar

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+# Toggles the waybar top bar.
+# Hybrid: updates state.json and provides instant feedback.
+
+STATE_FILE="$HOME/.config/home-manager/state.json"
+mkdir -p "$(dirname "$STATE_FILE")"
+
+# Initialize if doesn't exist
+[[ ! -f $STATE_FILE ]] && echo "{}" > "$STATE_FILE"
+
+if [[ $NNOMARCHY_TOGGLE_WAYBAR == "false" ]]; then
+    NEW_VALUE="true"
+    uwsm-app -- waybar >/dev/null 2>&1 &
+    notify-send -u low "󰍜  Top bar enabled"
+else
+    NEW_VALUE="false"
+    pkill -x waybar
+    notify-send -u low "󰍜  Top bar disabled"
+fi
+
+TMP_JSON=$(mktemp)
+jq ".waybar = $NEW_VALUE" "$STATE_FILE" > "$TMP_JSON" && mv "$TMP_JSON" "$STATE_FILE"
+
+echo "Waybar state set to $NEW_VALUE. Environment will be fully updated on next rebuild."