feat(wl-kbptr): package wl-kbptr for NixOS as home module

users/modules/desktop/default.nix

@@ -19,6 +19,7 @@ in {
     ./swaync.nix
     ./theme.nix
     ./waybar.nix
+    ./wl-kbptr.nix
     ./wlr-which-key.nix
     ./wlsunset.nix
   ];

users/modules/desktop/wl-kbptr.nix

@@ -0,0 +1,37 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+with lib; let
+  configDir = config.xdg.configHome;
+  cfg = config.home.desktop.wl-kbptr;
+  iniFormat = pkgs.formats.ini {};
+in {
+  options.home.desktop.wl-kbptr = {
+    enable = mkEnableOption "enable wl-kbptr";
+    config = mkOption {
+      inherit (iniFormat) type;
+      default = {};
+      description = ''
+        Options to add to the {file}`config` file. See
+        <https://github.com/moverest/wl-kbptr/blob/main/config.example>
+        for options.
+      '';
+      example = {
+        general = {
+          home_row_keys = "abcd";
+        };
+      };
+    };
+  };
+  config = mkIf cfg.enable {
+    home = {
+      packages = [pkgs.wl-kbptr];
+      file."${configDir}/wl-kbptr/config" = mkIf (cfg.config != {}) {
+        source = iniFormat.generate "wl-kbptr-config" cfg.config;
+      };
+    };
+  };
+}