Add .gitignore and refactor app.py and database.py for improved secret management

trying this fix to secrets

Merge branch 'main' of https://huggingface.co/spaces/Multichem/NHL_Macro_Sheets

Remove index setting for Line Marketshares display to improve data presentation

Update app.py

Refactor CSV export functionality in app.py to conditionally display download buttons based on selected variable. Users can now export either marketshares or matchups data as CSV files, enhancing data export options.

Remove PDF export functionality from app.py and update requirements.txt to reflect changes. The `convert_df_to_pdf` function has been deleted, along with related download options for PDF. The requirements.txt file has been updated to remove the reportlab dependency, streamlining the application for CSV exports only.

Refactor PDF export functionality in app.py to use ReportLab

Update requirements.txt to include scipy and wkhtmltopdf

Update requirements.txt to replace streamlit-aggrid with pdfkit

Refactor PDF export functionality in app.py

Add PDF export functionality in app.py for marketshares data

Refactor dataframe display in app.py to set index and reduce height

Add matchups formatting to app.py for improved data display

Enhance matchup data processing in app.py by adding new columns: 'HDCF%', 'o_HDCA%', 'HDCF_m%', and 'HDSF+'. This improves the analysis capabilities of the matchups dataset.

Update app.py

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Update app.py

Create app.py

Create requirements.txt

Create app.yaml

initial commit