Language settings and search parameter

[danFbach]

Pull Request

need input for Search test(s)
documentation on the issue is lacking, expectations are undefined. Is a new index with defined localizedAttributes required in order to effectively test?

Related issue

Fixes #562

What does this PR do?

• implements localized settings and search parameters

PR checklist

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• Does this PR fix an existing issue, or have you listed the changes applied in the PR description (and why they are needed)?
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