feat(chat): created basic chat layout

src/app/index.jsx

@@ -0,0 +1,12 @@
+import React from "react";
+import ChatLayout from "src/components/ui/ChatLayout";
+
+function App() {
+  return (
+    <div className="min-h-screen bg-slate-900 text-white flex items-center justify-center p-6">
+      <ChatLayout />
+    </div>
+  );
+}
+
+export default App;