add basic cron

system-config/services/containers/gitea/default.nix

@@ -91,6 +91,11 @@
                         passwordFile = "/etc/gitea/dbpass";
                         type = "postgres";
                     };
+
+                    extraConfig = ''
+                        [cron]
+                        ENABLED=true
+                    '';
                 };
                 services.openssh.enable = true;