Polyfill scrobbled tracks every hour

lib/music_library/worker/polyfill_scrobbled_tracks.ex

@@ -0,0 +1,10 @@
+defmodule MusicLibrary.Worker.PolyfillScrobbledTracks do
+  use Oban.Worker, queue: :heavy_writes, max_attempts: 3
+
+  alias MusicLibrary.ScrobbleActivity.Backfill
+
+  @impl Oban.Worker
+  def perform(%Oban.Job{args: _}) do
+    Backfill.fill_missing_artist_ids()
+  end
+end