version number update in readme (#712)
version number update in readme (#712)

Summary:
This is a small fix. I updated the version number in readme.md from 0.1.0 to 0.2.2.
Pull Request resolved: https://github.com/facebookresearch/fastText/pull/712

Differential Revision: D13751218

Pulled By: EdouardGrave

fbshipit-source-id: 809e3345d680c2f19eddb6072d9f1b1335c9dcae

facebookresearch/fastText,facebookresearch/fastText,facebookresearch/fastText,facebookresearch/fastText,facebookresearch/fastText,facebookresearch/fastText