add cups to path

flake.nix

@@ -20,6 +20,7 @@
         go
         gotools
         poppler_utils #get first pdf page to png
+        cups
         imagemagick
         tailwindcss
       ];
@@ -72,6 +73,7 @@
           environment.systemPackages = [ 
             zineshop-pkg
             pkgs.poppler_utils #get first pdf page to png
+            pkgs.cups
             pkgs.imagemagick
           ];
 
@@ -102,7 +104,7 @@
               WorkingDirectory = "/var/lib/zineshop";
               ExecStart = pkgs.writeScript "start-zineshop" ''
                 #! ${pkgs.bash}/bin/bash
-                PATH="$PATH:${lib.makeBinPath [ pkgs.poppler_utils pkgs.imagemagick ]}"
+                PATH="$PATH:${lib.makeBinPath [ pkgs.poppler_utils pkgs.cups pkgs.imagemagick ]}"
                 ${zineshop-pkg}/bin/zineshop
               '';
               Restart = "on-failure";