Add License

[charleslparker]

Is this code released under a license? It would be good to have a license file in the root of the project, or have the license (or lack thereof) mentioned in the readme.

[nouiz]

I already did a PR for that earlier this morning:

#103

[charleslparker]

Fixing issues before they are submitted! Clearly you are psychic.

Or maybe you've just trained a really good model.