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=2.766e-05; Maximum converted output difference=2.766e-05.

tf_model.h5

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ae0d6447e6d3bd65f469fc08b7aaf17aa8033233959367476616c4946970ae0f
+size 530478360