Upload added_tokens.json

added_tokens.json

@@ -0,0 +1,9 @@
+{
+  "<unk>": 0,
+  "<pad>": 1,
+  "<s>": 2,
+  "</s>": 3,
+  "<mask>": 4,
+  "<sep>": 5,
+  "<cls>": 6
+}