- Modified `refresh_data.py` to include "CBBTCUSD" and "GLOBAL_M2" in the DEFAULT_SERIES for enhanced data analysis.
- Updated `fred.db` to reflect changes in the data structure.
- Add policy for managing NaN values in UNRATE series to AGENTS.md.
- Update README.md with new chart script details and usage instructions.
- Modify `lagged_oil_unrate_chart_styled.py` to implement clamping to last valid index for UNRATE data.
- Introduce new script `bitcoin_m2_chart.py` for Bitcoin vs. global M2 overlay chart.
- Ensure all scripts maintain data integrity by avoiding estimates for current month.
- Updated import statements in `bitcoin_m2_chart.py` and `custom_chart.py` to use a simplified path for `fetch_series_db` and `save_figure`.
- Removed obsolete `chart.png` file from outputs.
- Made changes to `fred.db`, indicating updates to the database content.
- Modify README.md to include output path for generated charts in commands.
- Update data/fred.db with new data.
- Update outputs/chart.png with the latest generated chart.
Update README.md to reflect new project focus on lagged oil and unemployment charting. Revise installation instructions, quickstart guide, and repository structure. Modify scripts for data fetching and plotting, and add a new SQLite database for storing FRED data. Introduce a startup script to streamline setup and execution.