[Feature][PS-DataSource] DataSource supports merging into a separate service startup

[peacewong]

What is the purpose of the change

DataSource supports merging into a separate service startup
add params

 val LINKIS_DATASOURCE_SERVICE_LIST: Array[String] =
    CommonVars(
      "linkis.gateway.conf.linkisdatasource.list",
      "data-source-manager,metadataquery,datasource,metadataQuery,metadatamanager"
    ).getValue
      .split(",")

Related issues/PRs

Related issues: #4933

Brief change log

• Define the core abstraction and interfaces of the EngineConn Factory;
• Define the core abstraction and interfaces of Executor Manager.

Checklist

• I have read the Contributing Guidelines on pull requests.
• I have explained the need for this PR and the problem it solves
• I have explained the changes or the new features added to this PR
• I have added tests corresponding to this change
• I have updated the documentation to reflect this change
• I have verified that this change is backward compatible (If not, please discuss on the Linkis mailing list first)
• If this is a code change: I have written unit tests to fully verify the new behavior.

[casionone]

LGTM