func MyKafkaConfig() (cfg *KafkaConfig) {
	return &KafkaConfig{}
}
MyKafkaConfig returns a KafkaConfig instance
package configuration
type KafkaConfig struct {
	Brokers []string `mapstructure:"brokers"`
	Group int `mapstructure:"group"`
	Offset int64 `mapstructure:"offset"`
	Partition int32 `mapstructure:"partition"`
}