Fix output paths in Webpack config
Fix output paths in Webpack config

This is needed to make code-splitting and async chunk loading work
chenwei0104/starwars,iamchenxin/relay-starter-kit,chenwei0104/starwars,iamchenxin/relay-starter-kit,ranjithnori/lemons-list,ranjithnori/lemons-list,relayjs/relay-starter-kit,18601673727/relay-starwar,relayjs/relay-starter-kit,18601673727/relay-starwar