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=2.861e-05; Maximum converted output difference=2.861e-05.

tf_model.h5

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e391235ce382233ee0588d39c129728a2360a3c0889e50164e4f664eb6161492
+size 719697544