Add hash to json conversion sample.
Add hash to json conversion sample.

goby-lang/goby,hachi8833/goby,hachi8833/goby,st0012/Rooby,Maxwell-Alexius/goby,goby-lang/goby,goby-lang/goby,Maxwell-Alexius/goby,st0012/Rooby,Maxwell-Alexius/goby,hachi8833/goby