Dev 1.3.1 muli manager

[chenmutime]

What is the purpose of the change

EngineConn-Core defines the the abstractions and interfaces of the EngineConn core functions.
The Engine Service in Linkis 0.x is refactored, EngineConn will handle the engine connection
and session management.

Related issues/PRs

Related issues: #590
Related pr:#591

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.

[codecov]

Codecov Report

Merging #3193 (975dfd9) into dev-1.3.1 (3c452c3) will increase coverage by 0.20%.
The diff coverage is 43.47%.

@@               Coverage Diff               @@
##             dev-1.3.1    #3193      +/-   ##
===============================================
+ Coverage        16.37%   16.58%   +0.20%     
- Complexity        1382     1399      +17     
===============================================
  Files              779      779              
  Lines            25331    25353      +22     
  Branches          3584     3603      +19     
===============================================
+ Hits              4149     4204      +55     
+ Misses           20639    20600      -39     
- Partials           543      549       +6     

Impacted Files	Coverage Δ
...anager/core/restful/DataSourceAdminRestfulApi.java	46.66% <1.53%> (-41.91%)	⬇️
...r/core/service/impl/DataSourceInfoServiceImpl.java	56.41% <76.66%> (+10.69%)	⬆️
...manager/core/restful/DataSourceCoreRestfulApi.java	89.34% <100.00%> (+0.59%)	⬆️
...he/linkis/common/utils/VariableOperationUtils.java	64.86% <0.00%> (-1.36%)	⬇️
...ler/queue/fifoqueue/FIFOSchedulerContextImpl.scala	70.37% <0.00%> (-1.06%)	⬇️
...apache/linkis/common/variable/CustomDateType.scala	58.26% <0.00%> (-0.97%)	⬇️
...s/governance/common/conf/GovernaceCommonConf.scala	96.29% <0.00%> (-0.38%)	⬇️
.../src/main/scala/org/apache/linkis/rpc/Sender.scala	0.00% <0.00%> (ø)
...cala/org/apache/linkis/common/utils/ZipUtils.scala	0.00% <0.00%> (ø)
.../org/apache/linkis/rpc/conf/RPCConfiguration.scala	0.00% <0.00%> (ø)
... and 54 more

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