feat(ui): add /chat route wired to ChatPage

ui/litellm-dashboard/src/app/chat/page.tsx

@@ -0,0 +1,19 @@
+"use client";
+
+import useAuthorized from "@/app/(dashboard)/hooks/useAuthorized";
+import ChatPage from "@/components/chat/ChatPage";
+
+const ChatPageRoute = () => {
+  const { accessToken, userRole, userId, userEmail } = useAuthorized();
+
+  return (
+    <ChatPage
+      accessToken={accessToken ?? ""}
+      userRole={userRole ?? ""}
+      userId={userId ?? ""}
+      userEmail={userEmail ?? ""}
+    />
+  );
+};
+
+export default ChatPageRoute;