Add TF weights

Model converted by the `transformers`' `pt_to_tf` CLI -- all converted model outputs and hidden layers were validated against its Pytorch counterpart. Maximum crossload output difference=4.292e-05; Maximum converted output difference=4.292e-05.

tf_model.h5

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:934cefcc094555ce1d9493ccdc9bd052c9eb5e66a156fb0c630d0b653ce0185d
+size 529211872