calculates the best dota 2 hero to use in given team compositions based on win rates and matchups scraped from dotabuff.com
gem install nokogiri
# scrape the data first
./get-data.rb > data
./dota-hero-picker.rb [-d hero]* [-r hero]*
./dota-hero-picker.rb -s
-d add a hero to dire
-r add a hero to radiant
-s generate random compositions for both teams and give the win rate