Correct the wrong HF model name of BiRefNet_512x512. Add the BiRefNet_lite-Anime option.

app.py

@@ -83,9 +83,10 @@ usage_to_weights_file = {
     'Matting-HR': 'BiRefNet_HR-matting',
     'Matting': 'BiRefNet-matting',
     'Portrait': 'BiRefNet-portrait',
-    'General-reso_512': 'BiRefNet-reso_512',
+    'General-reso_512': 'BiRefNet_512x512',
     'General-Lite': 'BiRefNet_lite',
     'General-Lite-2K': 'BiRefNet_lite-2K',
+    'Anime-Lite': 'BiRefNet_lite-Anime',
     'DIS': 'BiRefNet-DIS5K',
     'HRSOD': 'BiRefNet-HRSOD',
     'COD': 'BiRefNet-COD',