feat: improve formatting output

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

src/main.rs

@@ -32,7 +32,7 @@ async fn main() {
                                     "Track information:\n\
                                 🎵 Track name: {}\n\
                                 🧑‍🎤 Artist(s): {}\n\
-                                ⏳ Duration: {}",
+                                ⏳ Duration: {} second(s)",
                                     info.name,
                                     truncate_with_dots(info.artists.join(", "), MAX_ARTISTS_CHARS),
                                     human_readable_duration(info.duration)