Update app.py

app.py

@@ -28,7 +28,9 @@ model_links = {
     "Nous-Hermes-2-Mixtral-8x7B-DPO": "NousResearch/Nous-Hermes-2-Mixtral-8x7B-DPO",
     "Meta-Llama-3-8B-Instruct": "meta-llama/Meta-Llama-3-8B-Instruct",
     "Llama-2-7b-hf": "meta-llama/Llama-2-7b-hf",
+    "Llama-2-7b-chat-hf": "meta-llama/Llama-2-7b-chat-hf",
     "Llama-2-13b-hf": "meta-llama/Llama-2-13b-hf",
+    "Llama-2-13b-chat-hf": "meta-llama/Llama-2-13b-chat-hf",
     "Mistral-7B-Instruct-v0.1": "mistralai/Mistral-7B-Instruct-v0.1",
     "Mistral-7B-Instruct-v0.2": "mistralai/Mistral-7B-Instruct-v0.2",
     "Mistral-7B-Instruct-v0.3": "mistralai/Mistral-7B-Instruct-v0.3",