fix: enhances description of aws tools to make it more robust (#653)

Author: dingfeli

crates/q_cli/src/cli/chat/tools/tool_index.json

@@ -85,7 +85,7 @@
         },
         "operation_name": {
           "type": "string",
-          "description": "The name of the operation to perform."
+          "description": "The name of the operation to perform. All of the operation name will be in kebab case. If incorrect operations are encountered, try different variation (e.g. if list-buckets is not correct, try ls)"
         },
         "parameters": {
           "type": "object",