dropbox-0.0.0: Changelog.md

# Change log for dropbox 

## Version 0.0.0 

+ Add suppport for
  + list folder (see what is in a users folder)
  + get temporary link (download file support)
  + dropbox token (allow us to get access to a users dropbox)
+ Add basic encoding/decoding tests for datatypes from dropbox api docs
+ import [template](https://github.com/jappeace/haskell-template-project).