nixos/minio: allow distributed nodes

nixos/modules/services/web-servers/minio.nix

···
 
     dataDir = mkOption {
       default = [ "/var/lib/minio/data" ];
-      type = types.listOf types.path;
-      description = lib.mdDoc "The list of data directories for storing the objects. Use one path for regular operation and the minimum of 4 endpoints for Erasure Code mode.";
+      type = types.listOf (types.either types.path types.str);
+      description = lib.mdDoc "The list of data directories or nodes for storing the objects. Use one path for regular operation and the minimum of 4 endpoints for Erasure Code mode.";
     };
 
     configDir = mkOption {
···
     systemd = lib.mkMerge [{
       tmpfiles.rules = [
         "d '${cfg.configDir}' - minio minio - -"
-      ] ++ (map (x: "d '" + x + "' - minio minio - - ") cfg.dataDir);
+      ] ++ (map (x: "d '" + x + "' - minio minio - - ") (builtins.filter lib.types.path.check cfg.dataDir));
 
       services.minio = {
         description = "Minio Object Storage";