fix: change upload exaple with proper link
fix: change upload exaple with proper link

wincent/express-graphql,jamiehodge/express-graphql,jamiehodge/express-graphql,wincent/express-graphql,graphql/express-graphql,wincent/express-graphql,jamiehodge/express-graphql,graphql/express-graphql,graphql/express-graphql