Add pueue to home-manager config

nix/london/gsimmer.nix

@@ -23,6 +23,18 @@
     username = "gsimmer";
     homeDirectory = "/home/gsimmer";
   };
+
+  services.pueue = {
+    enable = true;
+    settings = {
+      client = { };
+      daemon.callback = ''
+        ${pkgs.libnotify}/bin/notify-send -t 4000 "Task {{id}} finished, status '{{result}}'" "<b>{{exit_code}}</b> {{command}}"
+      '';
+      shared = { };
+      profiles = { };
+    };
+  };
   
   programs = {
     bash.enable = false;