Add similar records

Initial stab by Claude

lib/music_library_web/live/collection_live/show.html.heex

@@ -326,6 +326,12 @@
     </div>
   </div>
 
+  <.similar_records
+    similar_records={@similar_records}
+    record_show_path={fn record -> ~p"/collection/#{record}" end}
+    section={:collection}
+  />
+
   <.json_viewer title={gettext("MusicBrainz data")} data={@record.musicbrainz_data} />
 
   <.live_component