feat: introduce NotReadableException

lib/src/core/exceptions/web_idl.dart

@@ -0,0 +1,17 @@
+// Copyright 2024 Contributors to the Eclipse Foundation. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
+import "../exceptions.dart";
+
+/// Indicates that an I/O read operation failed.
+///
+/// Corresponds with the Web IDL exception type [NotReadableError].
+///
+/// [NotReadableError]: https://webidl.spec.whatwg.org/#notreadableerror
+final class NotReadableException extends DartWotException {
+  /// Instantiates a new [NotReadableException] with the given [message].
+  NotReadableException(super.message);
+}