Update cfn template

deployment/BedrockProxy.template

@@ -1,4 +1,5 @@
 {
+  "Description": "Bedrock Access Gateway - OpenAI-compatible RESTful APIs for Amazon Bedrock",
   "Parameters": {
     "ApiKeyParam": {
       "Type": "String",
@@ -388,7 +389,8 @@
                 },
                 "model"
               ]
-            }
+            },
+            "DEFAULT_EMBEDDING_MODEL": "cohere.embed-multilingual-v3"
           }
         },
         "MemorySize": 1024,
@@ -569,6 +571,10 @@
       "eu-central-1": {
         "repoArn": "arn:aws:ecr:eu-central-1:366590864501:repository/bedrock-proxy-api",
         "model": "anthropic.claude-v2:1"
+      },
+      "eu-west-3": {
+        "repoArn": "arn:aws:ecr:eu-west-3:366590864501:repository/bedrock-proxy-api",
+        "model": "anthropic.claude-3-sonnet-20240229-v1:0"
       }
     }
   },