Update app.py

Rename Lottery_Data.csv to lottery_data.csv

Rename Lottery_NY_Lotto_Winning_Numbers__Beginning_2001_20241218.csv to Lottery_Data.csv

Update app.py

Upload Lottery_NY_Lotto_Winning_Numbers__Beginning_2001_20241218.csv

Delete tips.csv

initial commit

Duplicate from posit/shiny-for-python-template