ansible: sync templates with live system state

- hyprland: add pulseaudio + custom/gpu modules to waybar
- hyprland: template hyprlauncher.conf
- hyprland: add keybinding updates (yazi, chrome, screenshots, reload)
- hyprland: add uwsm package, replace wofi with hyprlauncher
- hyprland: add waybar GPU monitoring script
- greetd: update tuigreet command to uwsm start
- vars: add uwsm, hyprlauncher; remove wofi; add screenshot tools

ansible/roles/hyprland/templates/waybar_gpu_script.sh.j2

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+# Waybar GPU usage module - NVIDIA
+set -euo pipefail
+
+GPU=$(nvidia-smi --query-gpu=utilization.gpu --format=csv,noheader,nounits 2>/dev/null | head -1 | tr -d ' ')
+TEMP=$(nvidia-smi --query-gpu=temperature.gpu --format=csv,noheader,nounits 2>/dev/null | head -1 | tr -d ' ')
+
+if [ -z "$GPU" ]; then
+    echo '{"text": "GPU N/A", "percentage": 0}'
+    exit 0
+fi
+
+if [ "$GPU" -ge 80 ]; then
+    ICON=""
+elif [ "$GPU" -ge 50 ]; then
+    ICON=""
+else
+    ICON="󰢮"
+fi
+
+echo "{\"text\": \"${ICON} ${GPU}%\", \"tooltip\": \"GPU Usage: ${GPU}% | Temp: ${TEMP}°C\", \"percentage\": ${GPU}}"