added the order of messages

app/Http/Controllers/MainController.php

@@ -10,7 +10,7 @@ class MainController extends Controller
 {
     public function index()
     {
-    	$messages = Message::all();
+    	$messages = Message::orderBy('created_at', 'desc')->get();
 
     	return view('main', [
     		'messages' => $messages