feat: add wallpaper script and integrate it into Hyprland configuration

home/scripts/set-wallpaper.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+# Set wallpaper on all connected monitors using mpvpaper
+
+WALLPAPER="$HOME/nix-flake/assets/wallpaper.mp4"
+
+# Kill existing mpvpaper instances
+pkill -9 mpvpaper 2>/dev/null
+
+# Get all connected monitors from Hyprland
+MONITORS=$(hyprctl monitors -j | jq -r '.[].name')
+
+# Start mpvpaper for each monitor
+for monitor in $MONITORS; do
+    mpvpaper -o 'no-audio loop' "$monitor" "$WALLPAPER" &
+done