added placeholder for LyricsWikiCrawler
Added lyrics api DDL schema
Fixed id case
Better field estimates
We can have multiple genres per artist
Started Scraping
Data map
Save artist
moved option parameters to const, added more placeholders
Artist Scraper working
Scraping songs
Got rid of ids. Tracks taken from album pages
Using ES as a backend
Merge branch 'dev' into lyrics-api
Started Lyrics API extension
added setup file for api extension
Added LyricSong class
added mocked results for artist
added setting varnish cache
added missing year parameter of an album, removed one constant and added a new one, added generating API urls for albums