feat: add tokenizer config

tokenizer_config.json

@@ -0,0 +1,20 @@
+{
+    "tokenizer_class": "PreTrainedTokenizerFast",
+    "bos_token": "<|bos|>",
+    "eos_token": "<|assistant_end|>",
+    "pad_token": "<|assistant_end|>",
+    "additional_special_tokens": [
+        "<|user_start|>",
+        "<|user_end|>",
+        "<|assistant_start|>",
+        "<|python_start|>",
+        "<|python_end|>",
+        "<|output_start|>",
+        "<|output_end|>"
+    ],
+    "chat_template": "chat_template.jinja",
+    "model_input_names": [
+        "input_ids",
+        "attention_mask"
+    ]
+}