refactor: Changes done by cargo fmt

Author: jhg

src/lib.rs

@@ -1,6 +1,5 @@
 #![feature(extended_key_value_attributes)]
 #![doc = include_str!("../README.md")] // This also allow to run examples in that file.
-
 #![allow(unsafe_code)]
 #![warn(missing_docs)]
 #![warn(clippy::pedantic)]