update config in benchmark readme (#103)

Signed-off-by: Yingchun Guo <[email protected]>

Author: daisy-ycguo

evals/benchmark/README.md

@@ -60,6 +60,9 @@ The benchmark.yaml file defines the test suite and individual test cases. Below
 ```yaml
 test_suite_config: 
   examples: ["chatqna"]  # Test cases to be run (e.g., chatqna, codegen)
+  deployment_type: "k8s"  # Default is "k8s", can also be "docker"
+  service_ip: None  # Leave as None for k8s, specify for Docker
+  service_port: None  # Leave as None for k8s, specify for Docker
   concurrent_level: 4  # The concurrency level
   user_queries: [1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048]  # Number of test requests
   random_prompt: false  # Use random prompts if true, fixed prompts if false