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=4.059e-05; Maximum converted output difference=4.059e-05.

tf_model.h5

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2809880b5d0983c7382842409b8c02305615990e9fe89940b214408257729566
+size 542774360