add hotpotqa benchmark

[codecov[bot]]

Codecov Report

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

Project coverage is 82.17%. Comparing base (43ed5c7) to head (9a67597). Report is 25 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #96 +/- ## ======================================= Coverage 82.17% 82.17% ======================================= Files 32 32 Lines 1161 1161 ======================================= Hits 954 954 Misses 207 207 ```

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