Copy train_post_decay/generation_config.json to root as default checkpoint

generation_config.json

@@ -0,0 +1,11 @@
+{
+  "_from_model_config": true,
+  "max_length": 1024,
+  "output_attentions": false,
+  "output_hidden_states": false,
+  "transformers_version": "5.3.0",
+  "auto_map": {
+    "AutoConfig": "modeling_loop_lm.LoopLMConfig",
+    "AutoModelForCausalLM": "modeling_loop_lm.LoopLMForCausalLM"
+  }
+}