change gitignore
change gitignore


Former-commit-id: 15eb2d8786bb9e7050eeb09c5996aaeb0be21322 [formerly 0c6fd404404961a062c1063d7656a09438c0fcc3]
Former-commit-id: 971cba4c9028db57b3cba9285d97ed4b28009aa7
Simonl0425/stock_market_auto_trading_engine,Simonl0425/stock_market_auto_trading_engine