create wakeonlan convenience function

modules/nixos/hardware/networking.nix

@@ -1,4 +1,4 @@
-{ config, lib, ... }: {
+{ config, pkgs, lib, ... }: {
 
   config = lib.mkIf config.physical {
 
@@ -20,6 +20,12 @@
         workstation = true;
       };
     };
+
+    environment.systemPackages = [
+      (pkgs.writeShellScriptBin "wake-tempest"
+        "${pkgs.wakeonlan}/bin/wakeonlan --ip=192.168.1.255 74:56:3C:40:37:5D")
+    ];
+
   };
 
 }