update readme, add prepare for sever env

huangmingming

2023-01-30 fa923408b69071ba6689028c83fe67720a006827

 funasr/runtime/python/grpc/grpc_main_server.py

@@ -1,8 +1,9 @@
import grpc
from concurrent import futures
import argparse

import paraformer_pb2_grpc
from grpc_server import ASRServicer
import grpc
import argparse

def serve(args):
      server = grpc.server(futures.ThreadPoolExecutor(max_workers=10),