Add extracted source directory and README navigation

extracted-source/node_modules/@azure/abort-controller/dist/esm/AbortError.js

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+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+/**
+ * This error is thrown when an asynchronous operation has been aborted.
+ * Check for this error by testing the `name` that the name property of the
+ * error matches `"AbortError"`.
+ *
+ * @example
+ * ```ts
+ * const controller = new AbortController();
+ * controller.abort();
+ * try {
+ *   doAsyncWork(controller.signal)
+ * } catch (e) {
+ *   if (e.name === 'AbortError') {
+ *     // handle abort error here.
+ *   }
+ * }
+ * ```
+ */
+export class AbortError extends Error {
+    constructor(message) {
+        super(message);
+        this.name = "AbortError";
+    }
+}
+//# sourceMappingURL=AbortError.js.map

extracted-source/node_modules/@azure/abort-controller/dist/esm/index.js

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+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+export { AbortError } from "./AbortError.js";
+//# sourceMappingURL=index.js.map