Enable priting module on picard

hosts/picard/default.nix

@@ -25,6 +25,7 @@
       "virt-manager"
       "ssh-initrd"
       "hercules-ci"
+      "printing"
     ]
     ++ [
       ./disko.nix

modules/printing/default.nix

@@ -1,9 +1,4 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}: {
+{pkgs, ...}: {
   services.avahi.enable = true;
   # Important to resolve .local domains of printers, otherwise you get an error
   # like  "Impossible to connect to XXX.local: Name or service not known"
@@ -11,6 +6,7 @@
   hardware.sane.enable = true;
 
   services.paperless = {
+    # work in progress
     enable = false;
     passwordFile = builtins.toFile "password" "admin";
   };