feat(search): expose the enablePersonalization query parameter in settings as well

Close #585

Author: aseure

src/main/scala/algolia/objects/IndexSettings.scala

@@ -39,6 +39,7 @@ case class IndexSettings(
     primary: Option[String] = None,
     userData: Option[Any] = None,
     customNormalization: Option[Map[String, Map[String, String]]] = None,
+    enablePersonalization: Option[Boolean] = None,
     /* Attributes */
     attributesToIndex: Option[Seq[AttributesToIndex]] = None,
     searchableAttributes: Option[Seq[SearchableAttributes]] = None,