Add hyprshot screenshot

wm/hyprland.nix

@@ -4,6 +4,7 @@
   home.packages = with pkgs; [
     rofi
     bzmenu
+    hyprshot
   ];
 
   wayland.windowManager.hyprland = {
@@ -110,6 +111,9 @@
         "$mod SHIFT, RIGHT, movewindow, r"
         "$mod SHIFT, UP,    movewindow, u"
         "$mod SHIFT, DOWN,  movewindow, d"
+
+        # Hyprshot
+        "$mod, Z, exec, hyprshot -m region"
       ];
 
       bindm = [