Adds latest episode api endpoint and some other minor modifications.

site/app/Http/Controllers/ArtistController.php

@@ -72,6 +72,7 @@ class ArtistController extends Controller
         $artworks = Artwork::where('artist_id', $artist->id)
                 ->with('episode')
                 ->with('podcast')
+                ->whereNotNull('approved_by')
                 ->orderBy('artworks.created_at', 'desc')
                 ->paginate($perPage = 92, $columns = ['*'], $pageName = 'artworks');
         $podcasts = Podcast::where('published', true)->with('episodes')->get();