* Fix typos in docstrings of evaluation_generator.py and event.py (#101)
Corrected 'resposnes' to 'responses', 'uncertainity' to 'uncertainty', 'conversaction' to 'conversation', and 'exeuction' to 'execution' in relevant docstrings for clarity.
* Fix typos in docstrings and comments across multiple files
Corrected 'detla' to 'delta', 'buil-in' to 'built-in', 'walkaround' to 'workaround', and 'conversaction' to 'conversation' for clarity in relevant files. Updated comments for consistency.
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Co-authored-by: Hangfei Lin <hangfei@google.com>