add: new hyprland keybinding for saving screenshots

home-manager/wayland/scripts/screenshot-save

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+if test $(wl-paste -l) = "image/png"; then
+    name=$(date '+%Y-%m-%d_%H-%M-%S').png
+    wl-paste -t "image/png" > ~/Pictures/"$name"
+    notify-send "Image stored at $name" \
+        -a grim -c screenshot -u low -t 3000
+else
+    notify-send "No image in clipboard" \
+        -a grim -c screenshot -u low -t 3000
+fi