Enable artists maintenance tasks

lib/music_library/worker/artist_refresh_discogs_data.ex

@@ -0,0 +1,10 @@
+defmodule MusicLibrary.Worker.ArtistRefreshDiscogsData do
+  use Oban.Worker, queue: :discogs, max_attempts: 3
+
+  @impl Oban.Worker
+  def perform(%Oban.Job{args: %{"id" => artist_info_id}}) do
+    MusicLibrary.Artists.refresh_discogs_data(artist_info_id)
+
+    Process.sleep(100)
+  end
+end

lib/music_library/worker/artist_refresh_music_brainz_data.ex

@@ -0,0 +1,10 @@
+defmodule MusicLibrary.Worker.ArtistRefreshMusicBrainzData do
+  use Oban.Worker, queue: :music_brainz, max_attempts: 3
+
+  @impl Oban.Worker
+  def perform(%Oban.Job{args: %{"id" => artist_info_id}}) do
+    MusicLibrary.Artists.refresh_musicbrainz_data(artist_info_id)
+
+    Process.sleep(500)
+  end
+end