Update the Entropy Pooling example with video links

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Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (e6516e5) to head (1e092f2). Report is 6 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #88 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 7 7 Lines 331 331 ========================================= Hits 331 331 ```

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