Refactor search engine and improve document extensibility

[JohnNiang]

What type of PR is this?

/kind improvement
/kind api-change
/area core

What this PR does / why we need it:

See https://github.com/JohnNiang/halo/blob/refactor/search/docs/extension-points/search-engine.md for more

Which issue(s) this PR fixes:

Fixes #5202
Fixes #5339
Fixes #5613
Fixes #5172
Fixes #4796
Fixes #5625
Fixes #5805

Special notes for your reviewer:

Does this PR introduce a user-facing change?

重构搜索引擎并提高可扩展性。

[sonarqubecloud]

Quality Gate passed

Issues
10 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.2% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

Attention: Patch coverage is 80.94059% with 77 lines in your changes missing coverage. Please review.

Project coverage is 56.96%. Comparing base (bc10336) to head (0f148e1).
Report is 3 commits behind head on main.

Files	Patch %	Lines
...run/halo/app/search/lucene/LuceneSearchEngine.java	86.05%	20 Missing and 9 partials ⚠️
...rc/main/java/run/halo/app/search/HaloDocument.java	0.00%	17 Missing ⚠️
...rc/main/java/run/halo/app/search/SearchOption.java	0.00%	14 Missing ⚠️
...nfra/exception/RequestBodyValidationException.java	14.28%	6 Missing ⚠️
.../app/search/event/HaloDocumentAddRequestEvent.java	0.00%	4 Missing ⚠️
...p/search/event/HaloDocumentDeleteRequestEvent.java	0.00%	4 Missing ⚠️
.../search/event/HaloDocumentRebuildRequestEvent.java	0.00%	2 Missing ⚠️
...rc/main/java/run/halo/app/search/SearchResult.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #6082      +/-   ##
============================================
+ Coverage     54.51%   56.96%   +2.45%     
- Complexity     3523     3704     +181     
============================================
  Files           646      652       +6     
  Lines         21862    22039     +177     
  Branches       1528     1537       +9     
============================================
+ Hits          11917    12555     +638     
+ Misses         9328     8879     -449     
+ Partials        617      605      -12     

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[ruibaby]

/lgtm

[f2c-ci-robot]

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