Add GCViT

Author: rwightman

timm/models/__init__.py

@@ -15,6 +15,7 @@
 from .edgenext import *
 from .efficientformer import *
 from .efficientnet import *
+from .gcvit import *
 from .ghostnet import *
 from .gluon_resnet import *
 from .gluon_xception import *