nils-degroot issues

Results 3 issues of


                                            nils-degroot

Hi there, I found the star import options in the code but not in the README. I added it to the README in this pr

Some time ago I started using ncspot in favor of other spotify clients. This pr adds it to the list

This pr adds the `manual_as_slice` lint. closes: rust-lang/rust-clippy#7633 ---- changelog: add [`manual_as_slice`] lint

S-waiting-on-review