[Question] Implementing large upload with Stream

Hello,

I currently work on an implementation of dbx file upload with ReadableStream.
I have a few question about adding this function :
- Can I write it directly in dropbox.js ?
- How can I create/document which type takes the function as argument, since types are auto generated in `src/types.js`
- We agree that only unit-testing is mandatory.

My repository : https://github.com/navispeed/dropbox-sdk-js
The function: https://github.com/navispeed/dropbox-sdk-js/blob/master/src/dropbox.js#L31