rust/clippy_lints/README.md

This crate contains Clippy lints. For the main crate, check
[*cargo.io*](https://crates.io/crates/clippy) or
[GitHub](https://github.com/Manishearth/rust-clippy).
Add a README for `clippy_lints` This avoids the error: > error: failed to read `/tmp/tralala/clippy_lints/README.md` when publishing. 2016-05-28 09:50:34 -05:00			`This crate contains Clippy lints. For the main crate, check`
			`[cargo.io](https://crates.io/crates/clippy) or`
			`[GitHub](https://github.com/Manishearth/rust-clippy).`