feat: Extract search results per page into a config variable

[ozandogrultan]

Signed-off-by: Ozan Dogrultan ozan.dogrultan@deliveryhero.com

Summary of Changes

Instead of retrieving the search results per page from a constant, this PR introduces the changes to have configurable search results per page.

Tests

All related tests using the old constant (RESULTS_PER_PAGE) are updated.

Documentation

N/A

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[Golodhros]

Looking good

[Golodhros]

LGTM

[Golodhros]

Thanks again for your contribution @ozandogrultan !