[WIP] Add Llama3.3 Support via torchtune

Author: Jack-Khuu

torchchat/model_config/models.json

@@ -107,6 +107,12 @@
         "distribution_path": "meta-llama/Llama-3.2-11B-Vision-Instruct",
         "transformer_params_key": "Llama-3.2-11B-Vision"
     },
+    "meta-llama/Llama-3.3-70B-Instruct-Tune": {
+        "aliases": ["llama3.3", "llama3.3-chat", "llama3.3-instruct"],
+        "distribution_channel": "HuggingFaceSnapshot",
+        "distribution_path": "meta-llama/Llama-3.3-70B-Instruct",
+        "transformer_params_key": "Meta-Llama-3.1-70B-Tune"
+    },
     "meta-llama/CodeLlama-7b-Python-hf": {
         "aliases": ["codellama", "codellama-7b"],
         "distribution_channel": "HuggingFaceSnapshot",