add Logs Kafka Exporter and Metrics Kafka Exporter

[lu-xiaoshuang]

Description:

add Logs Kafka Exporter and Metrics Kafka Exporter

Existing Issue(s):

NA

Testing:

KafkaLogRecordExporterTest and KafkaMetricExporterTest

Documentation:

Outstanding items:

[linux-foundation-easycla]

• ❌ The email address for the commit (851a989) is not linked to the GitHub account, preventing the EasyCLA check. Consult this Help Article and GitHub Help to resolve. (To view the commit's email address, add .patch at the end of this PR page's URL.) For further assistance with EasyCLA, please submit a support request ticket.