Add return value to ms_index!

[ellnix]

Pull Request

Related issue

Fixes #271

What does this PR do?

• Changes #ms_index! to pass along the task hash provided by the meilisearch gem
• Adds tests for the three possible return types

PR checklist

Please check if your PR fulfills the following requirements:

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

I'm new to this project, so I tried to keep the solution as unopinionated as possible. Please feel free to suggest changes to the implementation.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (e5ad4d1) 89.04% compared to head (87dcae7) 89.04%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #289 +/- ## ======================================= Coverage 89.04% 89.04% ======================================= Files 10 10 Lines 657 657 ======================================= Hits 585 585 Misses 72 72 ```

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[ellnix]

@brunoocasali sorry for being inactive this month, this and the other PRs should be ready to merge if you agree with the changes.

[brunoocasali]

Hey @ellnix I asked some questions in the last review, could you check them?

[ellnix]

bors merge

[meili-bors[bot]]

Build succeeded:

• integration-tests (Rails 6.1 with Ruby 2.7)
• integration-tests (Rails 6.1 with Ruby 3.0)
• integration-tests (Rails 6.1 with Ruby 3.1)
• integration-tests (Rails 7 with Ruby 2.7)
• integration-tests (Rails 7 with Ruby 3.0)
• integration-tests (Rails 7 with Ruby 3.1)
• linter-check
• smoke-test

[mech]

Wonderful!