add pkgs and overlays to nb config

hosts/nb-01.cloonar.com/pkgs/howdy/ir-toggle-module.nix

@@ -0,0 +1,28 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let 
+  cfg = config.services.ir-toggle;
+  ir_toggle = pkgs.callPackage ./ir-toggle.nix { }; 
+in {
+  options = {
+    services.ir-toggle = {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Whether to enable Chicony IR Emitter toggler.
+        '';
+      };
+    };
+  };
+  config = mkIf cfg.enable {
+    # Udev rules to start it on boot.
+    environment.systemPackages = [ ir_toggle ];
+    # Re-toggle the IR emitter after the sleep so that it could work perfectly
+    powerManagement.resumeCommands =
+      "${ir_toggle}/bin/chicony-ir-toggle on";
+    services.udev.packages = [ ir_toggle ];
+  };
+}