Add embedding metrics

[consoleLogIt]

Pull Request

Related issue

Fixes #1874

What does this PR do?

adds the embedding metrics to the indexStats type

• Modify the stats API to include indexes.INDEXNAME.numberOfEmbeddedDocuments in SDK responses
• Modify the stats API to include indexes.INDEXNAME.numberOfEmbeddings in SDK responses

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?

Thank you so much for contributing to Meilisearch!

[flevi29]

@Strift Should this target main branch?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.84%. Comparing base (18ff4ee) to head (e4586d7).
Report is 97 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1888   +/-   ##
=======================================
  Coverage   98.84%   98.84%           
=======================================
  Files          17       17           
  Lines        1565     1565           
  Branches      338      338           
=======================================
  Hits         1547     1547           
  Misses         18       18           

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[consoleLogIt]

Hi
@flevi29 @Strift
Please feel free to request changes if required. I am new and learning. 🌱

[flevi29]

bors merge

[flevi29]

@consoleLogIt Thank you for your contribution!

[meili-bors]

Build succeeded:

• style-check
• integration-tests (Node.js 22)
• types-check
• integration-tests (Node.js 18)
• integration-tests (Node.js 20)

[Strift]

The main branch was OK for this one. Thanks 👌