Acquire sermant enhancement information: plugins, enhancement classes, methods

[TangLeDaily]

【Fix issue】#1259

【Modified content】

1. Added storage enhancement information class for storing enhancement class and method information
2. Added enhanced information query command executor, used to print enhanced information through instructions

[Example description] No

[Self-test status] 1. Local static check passed; 2. UT passed; 3. Mount command execution passed

[Scope of influence] None

[codecov]

Codecov Report

Attention: 52 lines in your changes are missing coverage. Please review.

Comparison is base (a1308ed) 42.83% compared to head (b4764b7) 42.66%.
Report is 4 commits behind head on develop.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #1355      +/-   ##
=============================================
- Coverage      42.83%   42.66%   -0.18%     
+ Complexity      3301     3298       -3     
=============================================
  Files            824      826       +2     
  Lines          18311    18373      +62     
  Branches        2018     2028      +10     
=============================================
- Hits            7844     7839       -5     
- Misses          9481     9550      +69     
+ Partials         986      984       -2     

Flag	Coverage Δ
unittests	42.66% <0.00%> (-0.18%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...om/huaweicloud/sermant/core/AgentCoreEntrance.java	0.00% <0.00%> (ø)
...eicloud/sermant/core/command/CommandProcessor.java	0.00% <0.00%> (ø)
.../com/huaweicloud/sermant/core/command/Command.java	0.00% <0.00%> (ø)
...huaweicloud/sermant/core/plugin/PluginManager.java	0.00% <0.00%> (ø)
...plugin/agent/transformer/ReentrantTransformer.java	0.00% <0.00%> (ø)
...ant/core/plugin/agent/info/EnhancementManager.java	0.00% <0.00%> (ø)
...core/command/CheckEnhancementsCommandExecutor.java	0.00% <0.00%> (ø)

... and 22 files with indirect coverage changes

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