Support thumbnail creation on non-local filesystems

Author: mnightingale

src/LfmPath.php

@@ -313,7 +313,8 @@ public function makeThumbnail($file_name)
         // generate cropped image content
         $image_path = $this->setName($file_name)->thumb(true)->path('absolute');
         $image = Image::make($original_image->get())
-            ->fit(config('lfm.thumb_img_width', 200), config('lfm.thumb_img_height', 200))
-            ->save($image_path);
+            ->fit(config('lfm.thumb_img_width', 200), config('lfm.thumb_img_height', 200));
+
+        $this->storage->put($image_path, $image->stream()->detach());
     }
 }