chore: Update hyprland configuration with keybindings for rofi and kitty

home/desktops/hyprland/default.nix

@@ -13,6 +13,8 @@
 
     settings = {
       "$mod" = "SUPER";
+      "$terminal" = "kitty";
+      "$launcher" = "rofi";
 
       exec-once = [
         # run once on startup
@@ -20,10 +22,10 @@
       ];
 
       bind = [
-        ",$mod, exec rofi "
+        ",$mod, exec, $launcher"
         "$mod, q, quit"
         "$mod, r, restart"
-        "$mod, Enter, exec kitty"
+        "$mod, Enter, exec, $terminal"
       ];
 
       bindm = [