feat: import pdf css

Author: thucpn

templates/types/streaming/nextjs/app/components/chat-section.tsx

@@ -3,6 +3,7 @@
 import { ChatSection as ChatSectionUI } from "@llamaindex/chat-ui";
 import "@llamaindex/chat-ui/styles/code.css";
 import "@llamaindex/chat-ui/styles/katex.css";
+import "@llamaindex/chat-ui/styles/pdf.css";
 import { useChat } from "ai/react";
 import CustomChatInput from "./ui/chat/chat-input";
 import CustomChatMessages from "./ui/chat/chat-messages";