message: allow needless_doctest_main lints
diff: // #![feature(non_ascii_idents)]
  +#![allow(clippy::needless_doctest_main)]
  #![allow(dead_code)]
  //! ## Description
  //! Rspotify is a lightweight wrapper for the [Spotify Web API](https://developer.spotify.com/web-api/) It includes helper functions for
  