fix: virtual list and cover grid (#63)

* very basic slow buggy queue

* cover grid can now add albums to queue

* added virtualized lists to track list and cover grid components

backend/database/sql/sqlcgen/playlists.sql.go

@@ -1,6 +1,6 @@
 // Code generated by sqlc. DO NOT EDIT.
 // versions:
-//   sqlc v1.30.0
+//   sqlc v1.29.0
 // source: playlists.sql
 
 package sqlcgen