lib & request - improve docs and refactor code

Author: jayjamesjay

src/lib.rs

@@ -4,19 +4,20 @@
 //! which relies on TLS framework provided by OS on Windows and macOS, and OpenSSL
 //! on all other platforms. But it also supports [rus-tls](https://crates.io/crates/rustls).
 //!
-//! ## Example
+//! ## Examples
 //! Basic GET request
 //! ```
 //! use http_req::request;
 //!
 //! fn main() {
-//!     //Container for body of a response   
+//!     // Container for body of a response
 //!     let mut body = Vec::new();
 //!     let res = request::get("https://doc.rust-lang.org/", &mut body).unwrap();
 //!
 //!     println!("Status: {} {}", res.status_code(), res.reason());
 //! }
 //! ```
+
 pub mod chunked;
 pub mod error;
 pub mod request;