feat(nvim): add option for keyboard layouts

hosts/nixos-desktop/default.nix

@@ -18,6 +18,7 @@
       personal.enable = true;
     };
     programs.hyprland.nvidiaSupport = true;
+    programs.hyprland.keyboardLayouts = [ "us" "de" ];
     services.mullvad.enable = true;
     programs.ledger.enable = true;
   };

modules/programs/hyprland/_config.nix

@@ -25,7 +25,7 @@ in
 
   # For all categories, see https://wiki.hyprland.org/Configuring/Variables/
   input {
-      kb_layout = de,us
+      kb_layout = ${concatStringsSep "," cfg.keyboardLayouts}
       kb_variant =
       kb_model =
       kb_options = grp:win_space_toggle,caps:escape

modules/programs/hyprland/default.nix

@@ -25,6 +25,11 @@ in
       description = "enable window shadows";
       default = true;
     };
+    keyboardLayouts = mkOption {
+      type = types.listOf types.str;
+      description = "list of keyboard layouts";
+      default = [ "de" "us" ];
+    };
   };
 
   config = mkIf cfg.enable {