add set media fields

backend/app/Set/EloquentSetRepository.php

@@ -8,6 +8,8 @@ class EloquentSetRepository implements SetRepository
     {
         $model = SetModel::create([
             'name' => $dto->name,
+            'description' => $dto->description,
+            'icon_image_url' => $dto->iconImageUrl,
         ]);
 
         return $this->toDomain($model);
@@ -36,6 +38,8 @@ class EloquentSetRepository implements SetRepository
         return new Set(
             id: $model->id,
             name: $model->name,
+            description: $model->description,
+            iconImageUrl: $model->icon_image_url,
         );
     }
 }