add driver mongodb job batching

[farhad-rohani2]

hello please check my code and merge it.

db info

Build Info: {
    "version": "4.4.18",
    "gitVersion": "8ed32b5c2c68ebe7f8ae2ebe8d23f36037a17dea",
    "openSSLVersion": "OpenSSL 1.1.1  11 Sep 2018",
    "modules": [],
    "allocator": "tcmalloc",
    "environment": {
        "distmod": "ubuntu1804",
        "distarch": "x86_64",
        "target_arch": "x86_64"
    }
}

I edit config file and add in the config file. in the path /etc/mongod.conf

replication:
   replSetName: rs0

then

systemctl restart mongod

then in the mongodb console run this

rs.initiate()

And to see the changes that happened in the config mongodb run this

rs.status()