📝 Updated README with full project details and reflections

✅ Added trading logic script and trading signals plot

✅ Added backtest.py script and saved backtest spread plot

✅ Added my fetch_data and cointegration scripts with proper logic and flow

Added fetch_data.py script to pull stock data

Initial commit with fetch_data.py script

Delete src directory

Added stock data fetching script

Added project structure

Initial commit