[add]: de-en pretrained encoder logs

logs/de-en/pre-trained-encoder/events.out.tfevents.1645077444.6c76301b4a27.998.1

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:afe45dab47e199c37f67d6f3b832dcce21015b8352d51df0d6176368d9370a81
+size 37605

logs/de-en/pre-trained-encoder/hparams.yaml

@@ -0,0 +1,5 @@
+label_smoothing: 0.2
+lr: 0.001
+pad_idx: 3
+warmup_steps: 500
+weight_decay: 0.001