chore: import upstream snapshot with attribution

apps/webapp/app/routes/storybook.loading-bar-divider/route.tsx

@@ -0,0 +1,11 @@
+import { LoadingBarDivider } from "~/components/primitives/LoadingBarDivider";
+
+const isLoading = true;
+
+export default function Story() {
+  return (
+    <div className="grid h-full w-full max-w-3xl place-items-center px-20">
+      <LoadingBarDivider isLoading={isLoading} />
+    </div>
+  );
+}