Log Message:
audio/spotify-player: update to 0.7.0

What's Changed
    Add lyric_finder library crate in #34
    Improve application logging in #35
    Add a lyric page in #36 (disabled for now on pkgsrc)
    Add various improvements in #37

Breaking changes
    removed refresh_delay_in_ms_each_playback_update and
    n_refreshes_each_playback_update config options