Upload tokenizer for demo NER model (en)

added_tokens.json

@@ -0,0 +1,8 @@
+{
+  "<HCW>": 28997,
+  "<HOSPITAL>": 29001,
+  "<ID>": 28998,
+  "<PATIENT>": 28999,
+  "<PHONE>": 29000,
+  "<VENDOR>": 28996
+}