Add support of similar search

[Nymuxyzo]

Pull Request

Related issue

Fixes #546

What does this PR do?

• Get similar documents

PR checklist

Please check if your PR fulfills the following requirements:

• Does this PR fix an existing issue, or have you listed the changes applied in the PR description (and why they are needed)?
• Have you read the contributing guidelines?
• Have you made sure that the title is accurate and descriptive of the changes?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (75b78f6) to head (67e83a6).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #566   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           10        10           
  Lines          685       689    +4     
=========================================
+ Hits           685       689    +4     

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[brunoocasali]

Thanks a lot for this contribution!

bors merge

[meili-bors]

Build succeeded:

• integration-tests (ruby 3.1)
• linter-check
• integration-tests (ruby 3.2)
• integration-tests (ruby 3.3)