ios: sort artists, albums, songs and playlists (1.0.5)

Plexamp-style sort menu on each library list: pick a field, pick it again
to flip direction. Choice is saved per screen.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

ios/project.yml

@@ -6,8 +6,8 @@ options:
 settings:
   base:
     SWIFT_VERSION: "5.0"
-    MARKETING_VERSION: "1.0.4"
-    CURRENT_PROJECT_VERSION: "5"
+    MARKETING_VERSION: "1.0.5"
+    CURRENT_PROJECT_VERSION: "6"
 targets:
   Stemify:
     type: application