final fixes to add top_n. fix presentation of about section. add relative even frequency.

Enhance app.py and openfda_client.py to support configurable limits for adverse events, serious outcomes, and report sources; update data retrieval functions to include total report counts for improved output context.

Remove unnecessary outcome code translation in get_top_adverse_events function of openfda_client.py

fix last remaining bugs for adverse data and report sources (hopefully)

Enhance report_source_tool in app.py to return error messages and improve output formatting; update Gradio interface to include Markdown output for better user feedback.

Enhance app.py interfaces with caching for examples and update openfda_client.py to aggregate serious outcome data from multiple API queries.

Update app.py to clarify drug name input as generic and enhance openfda_client.py with new outcome and qualification mappings for better data representation.

Refactor result formatting in app.py to return DataFrames and headers; update interface outputs to use DataFrames and Markdown for better presentation.

Add new charting functions and enhance tools for serious outcomes and time-series analysis

Update dependencies, refactor imports, and add plotting functionality