add llama 3.1 405B

app.py

@@ -129,7 +129,7 @@ with gr.Blocks(delete_cache=(86400, 86400)) as demo:
         aws_secret = gr.Textbox(label="AWS Secret Key", elem_id="aws_secret")
         aws_token = gr.Textbox(label="AWS Session Token", elem_id="aws_token")
         model = gr.Dropdown(label="Model", value="anthropic.claude-3-5-sonnet-20240620-v1:0", allow_custom_value=True, elem_id="model",
-                            choices=["anthropic.claude-3-5-sonnet-20240620-v1:0", "anthropic.claude-3-opus-20240229-v1:0", "anthropic.claude-3-sonnet-20240229-v1:0", "anthropic.claude-3-haiku-20240307-v1:0", "anthropic.claude-v2:1", "anthropic.claude-v2",
+                            choices=["anthropic.claude-3-5-sonnet-20240620-v1:0", "anthropic.claude-3-opus-20240229-v1:0", "meta.llama3-1-405b-instruct-v1:0", "anthropic.claude-3-sonnet-20240229-v1:0", "anthropic.claude-3-haiku-20240307-v1:0", "anthropic.claude-v2:1", "anthropic.claude-v2",
                                      "mistral.mistral-7b-instruct-v0:2", "mistral.mixtral-8x7b-instruct-v0:1", "mistral.mistral-large-2407-v1:0"])
         system_prompt = gr.TextArea("You are a helpful yet diligent AI assistant. Answer faithfully and factually correct. Respond with 'I do not know' if uncertain.", label="System Prompt", lines=3, max_lines=250, elem_id="system_prompt")  
         region = gr.Dropdown(label="Region", value="us-west-2", allow_custom_value=True, elem_id="region",