Fix broken react-hot-loader guide link (#657)
Fix broken react-hot-loader guide link (#657)


rails/webpacker,rails/webpacker,rossta/webpacker,rossta/webpacker,rossta/webpacker,usertesting/webpacker,gauravtiwari/webpacker,gauravtiwari/webpacker,rossta/webpacker,gauravtiwari/webpacker,usertesting/webpacker,usertesting/webpacker