Update app.js

app.js

@@ -38,11 +38,11 @@ const MODEL_MAPPING = {
     },
     "llama-3.1-70b-instruct": {
         "provider": "togetherai",
-        "mapping": "Meta-Llama-3.1-70B-Instruct-Turbo"
+        "mapping": "meta.llama3-1-70b-instruct-v1:0"
     },
     "llama-3.1-405b-instruct": {
         "provider": "togetherai",
-        "mapping": "Meta-Llama-3.1-405B-Instruct-Turbo"
+        "mapping": "meta.llama3-1-405b-instruct-v1:0"
     },
     "claude-3-5-sonnet-20240620": {
         "provider": "anthropic",