Update README with GitHub asset link

Added a link to a GitHub asset in the README.

Author: puxuntu

PW45_2026_Boston/Projects/InteractiveWorkflowReplayAndStepBackNavigationForSlicerAgent/README.md

@@ -73,7 +73,11 @@ We aim to add a workflow replay and step-back navigation capability to the Slice
      If there are specific steps that you could not complete then you can describe them here, too. -->
 
 
-TBD
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+https://github.com/user-attachments/assets/7ee52cd8-f3ca-4969-9344-d3b79c8db088
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