Fix homepage "View All Workshops" button to link to Catalog

- Change link from library.html to catalog.html
- Ensures consistency with navigation rename from Library to Catalog

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: tomvannuenen

index.html

@@ -132,7 +132,7 @@ <h5 class="card-title text-dark">Other</h5>
 
   <div class="row justify-content-center">
     <div class="col-auto">
-      <a href="library.html" class="btn btn-primary btn-lg">View All Workshops</a>
+      <a href="catalog.html" class="btn btn-primary btn-lg">View All Workshops</a>
       <a href="https://dlab.my.salesforce-sites.com/events" class="btn btn-info btn-lg ml-2">Book a Workshop</a>
     </div>
   </div>