Added selectable tag function for actors. Implemented experimental filtering by tag.

docs/associated-tags.sql

@@ -5,3 +5,11 @@ LEFT JOIN tags ON tags.id = releases_tags.tag_id
 WHERE actors.slug = 'vina-sky'
 GROUP BY tags.id
 ORDER BY tags.name;
+
+SELECT tags.*
+FROM releases_actors
+LEFT JOIN releases_tags ON releases_tags.release_id = releases_actors.release_id
+LEFT JOIN tags ON tags.id = releases_tags.tag_id
+WHERE releases_actors.actor_id = actor.id
+GROUP BY tags.id
+ORDER BY tags.name;