update syncthing module

sys/platforms/vps/srv/syncthing.nix

@@ -21,4 +21,22 @@ with lib; {
       };
     };
   };
+
+  # calibre web stuff. make this better someday, this is pure duct-tape
+  users.groups."calybresync".members = ["syncthing" "calibre-web"];
+  systemd = {
+    services."calybreown" = {
+      script = ''
+        chgrp -R calybresync /var/lib/calibre-web/calibre_library
+        chmod -R g+w /var/lib/calibre-web/calibre_library
+      '';
+      serviceConfig.Type = "oneshot";
+    };
+    timers."calybreown" = {
+      wantedBy = [
+        "timers.target"
+      ];
+      timerConfig.OnCalendar = "*-*-* *:00/30:00";
+    };
+  };
 }