move nixos modules to nixos-modules

nixos-modules/printing/default.nix

@@ -0,0 +1,36 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  cfg = config.jopejoe1.printing;
+in
+{
+  options.jopejoe1.printing = {
+    enable = lib.mkEnableOption "Enable Printing";
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.printing = {
+      enable = true;
+      webInterface = true;
+      drivers = with pkgs; [ ];
+    };
+
+    hardware = {
+      sane = {
+        enable = true;
+        extraBackends = with pkgs; [ sane-airscan ];
+      };
+    };
+
+    services.avahi = {
+      enable = true;
+      nssmdns4 = true;
+      openFirewall = true;
+    };
+  };
+}