feat: klasor tabanli galeri, brightness efekti (Ctrl+Shift+sag tik), .deb guncellendi

lib/services/file_handler.dart

@@ -15,14 +15,14 @@ class FileHandler {
           .where((f) => f.path != null)
           .map((f) => f.path!)
           .toList();
-      ImageManager.instance.addImages(paths);
+      ImageManager.instance.setGalleryFromPaths(paths);
     }
   }
 
   /// Load images from given file paths
   static void loadImagesFromPaths(List<String> paths) {
     if (paths.isNotEmpty) {
-      ImageManager.instance.addImages(paths);
+      ImageManager.instance.setGalleryFromPaths(paths);
     }
   }
 }