[Feature][Agent] Support collect data from PostgreSQL

[dockerzhang]

Description

you can refer to:
https://inlong.apache.org/docs/next/design_and_concept/how_to_write_plugin_agent

Use case

No response

Are you willing to submit PR?

• Yes, I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[iamsee123]

I want to do this issue

[iamsee123]

Motivation

Add the collecting postgreSQL data function to agent module and provide the necessary management ability for manager module.

Changes

• An agent module plugin with Reader and Source added
• A manager plugin with extention of ExtractNode and LoadNode added

Design

This PR following the document Agent Plugin and Manager Plugin

1. read wal log in reader by Debezium
2. create postgreSQL wal log reader and add it to source
3. add Enum type in manager class

Implementation

• Add the ability of collecting data from PostgreSQL
  • PostgreSQLLogReader: read data from wal log by Debezium
  • PostgreSQLLogSource:implement split method
• Add the management ability for manager module
  • WalLogSnapShot: store some info during reading
  • add type in TaskTypeEnum,SourceType

[EMsnap]

Thanks for contribution, the implementation looks fine.
But for manager, it use tasktype for different tasks, not ExtractNode. ExtractNode is used for sort module actually.

[EMsnap]

For manager -> agent, pls see AgentServiceImpl getTaskResult

[iamsee123]

OK, Thank you. I will see that.