Add Cauchy distribution page

[codecov-commenter]

Codecov Report

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

Project coverage is 82.36%. Comparing base (82c03fd) to head (bc2de15). Report is 12 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #483 +/- ## ========================================== + Coverage 82.35% 82.36% +0.01% ========================================== Files 96 96 Lines 7896 7895 -1 ========================================== Hits 6503 6503 + Misses 1393 1392 -1 ```

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