Type definitions for Typescript

[JaceyPenny]

As of now, there's no good way to use the client library without frequently referring to the API docs. Type definitions (in the form of a *.d.ts file) would make the library much more accessible. Please consider adding this!

Thanks!

[devshorts]

Any progress on this? Having to manually type the library is not pleasant

[kthaas]

#58 Is a good start for this, although it needs typing for Nodes still. @devshorts have you written your own typings?

[dguo]

For what it's worth, I've written a fair amount of types for a private repo. I'd be happy to start filling in gaps if #58 gets merged.

[JVMartin]

All of us having to create types for this is so much duplicate work. Can we please get types