Add inference endpoint feature in HF model page.

birefnet.py

@@ -1995,7 +1995,8 @@ class BiRefNet(
 ):
     config_class = BiRefNetConfig
     def __init__(self, bb_pretrained=True, config=BiRefNetConfig()):
-        super(BiRefNet, self).__init__()
+        super(BiRefNet, self).__init__(config)
+        bb_pretrained = config.bb_pretrained
         self.config = Config()
         self.epoch = 1
         self.bb = build_backbone(self.config.bb, pretrained=bb_pretrained)