added new e2e llm workflows guide

docs/overrides/main.html

@@ -43,7 +43,7 @@
 
 {% block announce %}
 <div class="ai-announce">
-  <span class="mr-1">⚡️</span> Checkout our comprehensive guide to <a href="https://www.anyscale.com/blog/a-comprehensive-guide-for-building-rag-based-llm-applications-part-1" target="_blank" class="ai-announce-link">Building RAG-based LLM Applications for Production</a>
+  <span class="mr-1">⚡️</span> Checkout our new <a href="https://www.anyscale.com/blog/end-to-end-llm-workflows-guide" target="_blank" class="ai-announce-link">End-to-end LLM Workflows Guide</a>
 </div>
 {% endblock %}