Update index.toml

Author: julian-risch

index.toml

@@ -500,4 +500,17 @@ haystack_2 = true
 guide = true
 colab = false
 download = false
-created_at = 2024-07-17
+created_at = 2024-07-17
+
+[[tutorial]]
+title = "Retrieving a Context Window Around a Sentence"
+description = "Learn how to create aan Agent that can use a web search tool to answer questions"
+level = "beginner"
+weight = 7
+notebook = "43_Building_a_Tool_Calling_Agent.ipynb"
+aliases = []
+completion_time = "10 min"
+created_at = 2025-04-03
+haystack_2 = true
+dependencies = []
+featured = true