update readme, for step1-optional

huangmingming

2023-01-30 32c5b3cafb4917dbfcae4f6f7d8c4d12a4f6eef4

 funasr/runtime/python/grpc/grpc_main_server.py

@@ -20,6 +20,7 @@
    parser.add_argument("--port",
                        type=int,
                        default=10095,
                        required=True,
                        help="grpc server port")
                        
    parser.add_argument("--user_allowed",