cookbook: add Determine Optimal Turn Detection Settings from Historical Audio Analysis cookbook

Author: a-dinoto

fern/docs.yml

@@ -650,6 +650,9 @@ navigation:
                   - page: Evaluate Streaming transcription accuracy with WER
                     path: pages/05-guides/cookbooks/streaming-stt/evaluate_streaming_wer.mdx
                     slug: evaluate_streaming_wer
+                  - page: Determine Optimal Turn Detection Settings from Historical Audio Analysis
+                    path: pages/05-guides/cookbooks/streaming-stt/turn_detection_improvement_using_async.mdx
+                    slug: turn_detection_improvement_using_async
               - section: Migration guides
                 skip-slug: true
                 contents: