chore: import upstream snapshot with attribution

fixtures/nodejs-als-app/src/index.ts

@@ -0,0 +1,24 @@
+import { AsyncLocalStorage } from "node:async_hooks";
+
+const asyncLocalStorage = new AsyncLocalStorage<number>();
+
+export default {
+	async fetch(req: Request, env: unknown, ctx: ExecutionContext) {
+		if (new URL(req.url).pathname !== "/") {
+			return new Response("No Found", { status: 404 });
+		}
+
+		const results = await Promise.all([
+			asyncLocalStorage.run(1, async () => getValue()),
+			asyncLocalStorage.run(2, async () => getValue()),
+			asyncLocalStorage.run(3, async () => getValue()),
+		]);
+
+		return new Response(`Working ${JSON.stringify(results)}`);
+	},
+};
+
+async function getValue() {
+	await new Promise((resolve) => setTimeout(resolve, 1000));
+	return asyncLocalStorage.getStore();
+}