* [meta] Add ignore paths to vscode settings
* [feature] Add few more fields to song information
Fields include lyricist, composer, genre, category
and label.
* Implement support for Wave files
Metadata extraction for such format is supported by the latest version of rust-id3, which
has been updated in this commit. The code has been updated to handle such files and call
the new APIs.
* Code review
* Embedded artwork support for mp4 and id3 tags
* Embedded artwork support for flac tags.
* small fixes
* use first embedded artwork for directory
* added artwork tests
* updated Cargo.lock
* use first embedded artwork for missing artworks
