feat: update chat view layout

pages/_app.tsx

@@ -2,11 +2,13 @@ import { AppProps } from "next/app";
 import React from "react";
 import { Analytics } from "@vercel/analytics/react";
 import "../styles/tailwind.css";
+import { Toaster } from "react-hot-toast";
 
 function MyApp({ Component, pageProps }: AppProps) {
   return (
     <>
       <Component {...pageProps} />
+      <Toaster position="top-right" />
       <Analytics />
     </>
   );