Show wishlisted date for wishlisted records

lib/music_library/records.ex

@@ -22,7 +22,9 @@ defmodule MusicLibrary.Records do
       :release_ids,
       :included_release_group_ids,
       :cover_hash,
-      :release_date
+      :release_date,
+      :inserted_at,
+      :updated_at
     ]
   end
 

lib/music_library/records/search_index.ex

@@ -28,5 +28,7 @@ defmodule MusicLibrary.Records.SearchIndex do
     field :included_release_group_ids, {:array, :string}, default: []
 
     embeds_many :artists, Artist
+
+    timestamps(type: :utc_datetime)
   end
 end