feat: improve formatting output

* duration is now in human readable format
* list of artists is now capped at 140 chars max

src/main.rs

@@ -4,7 +4,7 @@ use crate::spotify::TrackInfo;
 use spotify::SpotifyKind::Track;
 
 use crate::spotify::SpotifyKind::{Album, Playlist};
-use crate::utils::truncate_with_dots;
+use crate::utils::{human_readable_duration, truncate_with_dots};
 
 mod spotify;
 mod utils;
@@ -35,7 +35,7 @@ async fn main() {
                                 ⏳ Duration: {} second(s)",
                                     info.name,
                                     truncate_with_dots(info.artists.join(", "), MAX_ARTISTS_CHARS),
-                                    info.duration.as_secs()
+                                    human_readable_duration(info.duration)
                                 );
                                 Some(message.reply_to(reply).await?)
                             }