Move app to apps/web-react in pnpm workspace layout

apps/web-react/app/features/timezone/timezone-middleware.server.ts

@@ -0,0 +1,16 @@
+import type { MiddlewareFunction } from "react-router";
+import { viewerTimezoneAsyncLocalStorage } from "./timezone-context.server";
+import { viewerTimezoneFromCookieHeader } from "./timezone-cookie";
+
+/**
+ * Resolves the viewer's timezone from their cookie and makes it available to
+ * loaders via `getViewerTimezone` for the duration of the request.
+ */
+export const timezoneMiddleware: MiddlewareFunction<Response> = (
+	{ request },
+	next,
+) =>
+	viewerTimezoneAsyncLocalStorage.run(
+		{ timezone: viewerTimezoneFromCookieHeader(request.headers.get("Cookie")) },
+		() => next(),
+	);