add link to homepage after successfully placed order

resources/views/cart.blade.php

@@ -74,6 +74,7 @@
             @else
                 @if(isset($order_id))
                     <div class="alert alert-success">Thank you, order succesfully placed. Your order number is <b>{{ $order_id }}</b>. We will contact you shortly.</div>
+                    <a href="{{ route('homepage') }}">You may like our other products</a>
                 @else
                     <div>There are no products in the cart. <a href="{{ route('homepage') }}">Check our products</a></div>
                 @endif
@@ -83,6 +84,8 @@
     </section>
 @endsection
 
-@section('script')
-    <script src="js/cart.js" defer></script>
-@endsection
+@if(Session::has('cart'))
+    @section('script')
+        <script src="js/cart.js" defer></script>
+    @endsection
+@endif