automatically combine resolvers

[veeramarni]

Need to find a way to automatically combine resolvers instead of adding them to src/server.js

[veeramarni]

research:
ardatan/graphql-tools#41
https://gist.github.com/icebob/553c1f9f1a9478d828bcb7a08d06790a
http://stackoverflow.com/questions/5364928/node-js-require-all-files-in-a-folder