created config enum

[HashiramaSenjuhari]

making config easier
`

let producerL:BaseProducer = ClientConfig::new();

let server = producer.set(rdkafka::config_map::Config::Producer(rdkafka::config_map::Producer::Bootstrap("localhost:9092")))

let acks = producer.set(rdkafka::config_map::Config::Producer(
    rdkafka::config_map::Producer::Acks(rdkafka::config_map::Acks::All),
));

let producer:BaseConsumer = ClientConfig::new();

let server = producer.set(rdkafka::config_map::Config::Consumer(rdkafka::config_map::Consumer::Bootstrap("localhost:9092")))

let acks = producer.set(rdkafka::config_map::Config::Consumer(
    rdkafka::config_map::Consumer::AutoCommit(true)

`