modal-add-new-button.diff

diff --git a/templates/product_admin/index.html.twig b/templates/product_admin/index.html.twig
index edee434..a5493b9 100644
--- a/templates/product_admin/index.html.twig
+++ b/templates/product_admin/index.html.twig
@@ -4,7 +4,15 @@
 
 {% block body %}
 <div class="container-fluid mt-4">
-    <h1>Product index</h1>
+    <div class="d-flex flex-row">
+        <h1 class="me-3">Product index</h1>
+
+        <div {{ stimulus_controller('modal-form') }}>
+            <button
+                class="btn btn-primary btn-sm"
+            >Add+</button>
+        </div>
+    </div>
 
     <table class="table">
         <thead>