feat(copyparty): Allow jellyfin-admins to move and delete files

modules/nixos/deertopia/copyparty.nix

@@ -40,6 +40,7 @@ in {
           path = "/persist/vault/jellyfin";
           # View and upload, but no deleting.
           access.rw = "*";
+          access.rwmd = "@jellyfin-admin";
         };
       };
     };