chore: add .webp support

app.py

@@ -237,7 +237,7 @@ def step_3_display_3d_model(mesh_file):
 
 # 从 assets 文件夹中设置示例文件，并限制最多读取 10 个文件
 example_folder = "assets"
-examples = [os.path.join(example_folder, f) for f in os.listdir(example_folder) if f.endswith(('.png', '.jpg', '.jpeg'))][:10]
+examples = [os.path.join(example_folder, f) for f in os.listdir(example_folder) if f.endswith(('.png', '.jpg', '.jpeg', '.webp'))][:10]
 
 with gr.Blocks() as demo:
     with gr.Row():