Added Llama 3.1 logo display

app.py

@@ -72,7 +72,7 @@ model_info ={
     "Meta-Llama-3.1-8B":
     {'description':"""The Llama (3.1) model is a **Large Language Model (LLM)** that's able to have question and answer interactions.\n \
         \nIt was created by the [**Meta's AI**](https://llama.meta.com/) team and has over  **8 billion parameters.** \n""",
-    'logo':'Llama_logo.png'},
+    'logo':'Llama3_1_logo.png'},
 }