Added a very complicated AsyncIterableReader class.

The class was already implemented in
"https://deno.land/std@0.144.0/streams/conversion.ts".  So, I litterally
lost 1 day of work!  I hate myself.

vendor/deno.land/std@0.188.0/path/mod.ts

@@ -0,0 +1,56 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+// Copyright the Browserify authors. MIT License.
+// Ported mostly from https://github.com/browserify/path-browserify/
+// This module is browser compatible.
+
+/**
+ * Utilities for working with OS-specific file paths.
+ *
+ * Codes in the examples uses POSIX path but it automatically use Windows path
+ * on Windows. Use methods under `posix` or `win32` object instead to handle non
+ * platform specific path like:
+ * ```ts
+ * import { posix, win32 } from "https://deno.land/std@$STD_VERSION/path/mod.ts";
+ * const p1 = posix.fromFileUrl("file:///home/foo");
+ * const p2 = win32.fromFileUrl("file:///home/foo");
+ * console.log(p1); // "/home/foo"
+ * console.log(p2); // "\\home\\foo"
+ * ```
+ *
+ * This module is browser compatible.
+ *
+ * @module
+ */
+
+import { isWindows } from "../_util/os.ts";
+import * as _win32 from "./win32.ts";
+import * as _posix from "./posix.ts";
+
+const path = isWindows ? _win32 : _posix;
+
+export const win32 = _win32;
+export const posix = _posix;
+export const {
+  basename,
+  delimiter,
+  dirname,
+  extname,
+  format,
+  fromFileUrl,
+  isAbsolute,
+  join,
+  normalize,
+  parse,
+  relative,
+  resolve,
+  toFileUrl,
+  toNamespacedPath,
+} = path;
+
+/** @deprecated (will be removed after 0.188.0) Use SEP intead. */
+export const sep = path.sep;
+
+export * from "./common.ts";
+export { SEP, SEP_PATTERN } from "./separator.ts";
+export * from "./_interface.ts";
+export * from "./glob.ts";