Lyrics-Fetcher documentation

• Lyrics-Fetcher - README
• Lyrics-Fetcher - Changes
• Lyrics-Fetcher - META.yml
• Lyrics-Fetcher Makefile.PL
• Lyrics::Fetcher - Perl extension to manage fetchers of song lyrics.  [view source]
• Lyrics::Fetcher::Cache - implement caching of lyrics  [view source]