Please add a README

[andreasabel]

Please add a README with some representative use-case.

[nikita-volkov]

Could you PR?

[andreasabel]

I came here via sol/interpolate#17 (comment), so I was curious what neat-interpolation is about.
To answer your question: No, I have no clue what neat-interpolation is about.

[nikita-volkov]

Well, the Hackage doc is pretty exhaustive