Move all BiRefNet github codes to the first level directory.

birefnet.py

@@ -4,15 +4,15 @@ import torch.nn.functional as F
 from kornia.filters import laplacian
 from huggingface_hub import PyTorchModelHubMixin
 
-from config import Config
-from dataset import class_labels_TR_sorted
-from models.backbones.build_backbone import build_backbone
-from models.modules.decoder_blocks import BasicDecBlk, ResBlk, HierarAttDecBlk
-from models.modules.lateral_blocks import BasicLatBlk
-from models.modules.aspp import ASPP, ASPPDeformable
-from models.modules.ing import *
-from models.refinement.refiner import Refiner, RefinerPVTInChannels4, RefUNet
-from models.refinement.stem_layer import StemLayer
+from .config import Config
+from .dataset import class_labels_TR_sorted
+from .models.backbones.build_backbone import build_backbone
+from .models.modules.decoder_blocks import BasicDecBlk, ResBlk, HierarAttDecBlk
+from .models.modules.lateral_blocks import BasicLatBlk
+from .models.modules.aspp import ASPP, ASPPDeformable
+from .models.modules.ing import *
+from .models.refinement.refiner import Refiner, RefinerPVTInChannels4, RefUNet
+from .models.refinement.stem_layer import StemLayer
 
 
 class BiRefNet(