Update config.json

config.json

@@ -1,3 +1,12 @@
 {
-  "model_type": "gpt2"
+  "model_type": "gpt2",
+  "task_specific_params": {
+    "text-generation": {
+      "top_k": 40,
+      "top_p": 0.95,
+      "temperature": 0.8,
+      "repetition_penalty": 1.1,
+      "last_n_tokens": 64
+    }
+  }
 }