update index

Author: khuyentran1401

public/index.html

@@ -85,6 +85,10 @@ <h2 class="notebook-title">polars vs pandas</h2>
             <h2 class="notebook-title">pyspark parametrize</h2>
             <a href="data_science_tools/pyspark_parametrize.html" class="notebook-link">View the notebook</a>
         </li>
+        <li class="notebook-item">
+            <h2 class="notebook-title">lchain ollama</h2>
+            <a href="llm/lchain_ollama.html" class="notebook-link">View the notebook</a>
+        </li>
         <li class="notebook-item">
             <h2 class="notebook-title">pydantic ai examples</h2>
             <a href="llm/pydantic_ai_examples.html" class="notebook-link">View the notebook</a>