feat: doc support horizontal line

[Jocs]

close #xxx

Pull Request Checklist

• Related tickets or issues have been linked in the PR description (or missing issue).
• Naming convention is followed (do please check it especially when you created new plugins, commands and resources).
• Unit tests have been added for the changes (if applicable).
• Breaking changes have been documented (or no breaking changes introduced in this PR).

[github-actions]

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[github-actions]

Playwright test results

 1 failed
 24 passed

Details

 25 tests across 12 suites
 6 minutes, 7 seconds
 8b0eaeb
 For more information, see full report

Failed tests

chromium › visual-comparison/docs/docs-visual-comparison.spec.ts › diff default doc content

[codecov]

Codecov Report

Attention: Patch coverage is 3.44828% with 84 lines in your changes missing coverage. Please review.

Project coverage is 34.22%. Comparing base (3760ee8) to head (83aa1bc).
Report is 4 commits behind head on dev.

Files with missing lines	Patch %	Lines
...ocs-ui/src/commands/commands/doc-delete.command.ts	2.63%	37 Missing ⚠️
...ages/engine-render/src/components/docs/document.ts	0.00%	21 Missing ⚠️
...ocs-ui/src/commands/commands/break-line.command.ts	10.00%	9 Missing ⚠️
.../engine-render/src/components/docs/layout/tools.ts	0.00%	8 Missing ⚠️
...c/commands/commands/doc-horizontal-line.command.ts	25.00%	3 Missing ⚠️
...-render/src/components/docs/layout/doc-skeleton.ts	0.00%	3 Missing ⚠️
packages/docs-ui/src/controllers/menu/menu.ts	0.00%	2 Missing ⚠️
...ne-render/src/components/docs/layout/model/page.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #4813      +/-   ##
==========================================
- Coverage   34.22%   34.22%   -0.01%     
==========================================
  Files        2610     2611       +1     
  Lines      136451   136533      +82     
  Branches    30325    30347      +22     
==========================================
+ Hits        46702    46722      +20     
- Misses      89749    89811      +62     

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