Fix three correctness bugs in the Yahoo ingest

feat: add Yahoo ingest on the FinRL tree and stop extra branch creation

chore: enterprise-grade project structure, robust .gitignore, and directory cleanup

feat: comprehensive test suite fixes and improvements

feat: Add comprehensive Alpaca integration with FinRL

Fix all test issues and improve system stability

Add FinRL integration with comprehensive RL trading agent

Initial commit: Enhanced Algorithmic Trading System with Synthetic Data Generation, Comprehensive Logging, and Extensive Testing