Added generation config

Same as [base model](https://huggingface.co/ytu-ce-cosmos/Turkish-Llama-8b-v0.1) but matching lib version in [config](https://huggingface.co/ytu-ce-cosmos/Turkish-Llama-8b-Instruct-v0.1/blob/995b0022faea5be27f433a09e53a3c566d6ea4b3/config.json#L25).

generation_config.json

@@ -0,0 +1,9 @@
+{
+  "bos_token_id": 128000,
+  "do_sample": true,
+  "eos_token_id": 128001,
+  "max_length": 4096,
+  "temperature": 0.6,
+  "top_p": 0.9,
+  "transformers_version": "4.41.2"
+}