fix: update stimulus_layout to use auto-registration pattern

- Remove reference to non-existent client-bundle
- Use append_ helpers for stimulus-bundle
- Add final pack tags at end of body for React components
- Matches the pattern used in application.html.erb

Author: justin808

app/views/layouts/stimulus_layout.html.erb

@@ -5,13 +5,8 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>RailsReactTutorial</title>
 
-  <%= stylesheet_pack_tag('client-bundle',
-                                        media: 'all',
-                                        'data-turbolinks-track': true) %>
-
-  <%= javascript_pack_tag('stimulus-bundle',
-                                       'data-turbolinks-track': true,
-                                       defer: true) %>
+  <%= append_stylesheet_pack_tag('stimulus-bundle') %>
+  <%= append_javascript_pack_tag('stimulus-bundle') %>
 
   <%= csrf_meta_tags %>
 </head>
@@ -23,6 +18,9 @@
   </div>
 
   <%= react_component "Footer" %>
+
+  <%= stylesheet_pack_tag(media: 'all', 'data-turbolinks-track': true) %>
+  <%= javascript_pack_tag('data-turbolinks-track': true, defer: true) %>
 </body>
 </html>