Monnify docs

[PiusKariuki]

Summary

"Please update the docs to include the startDate and endDate, otherwise other people will face the same confusion and not be sure how to filter based on dates. Remember, our adaptors are supposed ot make life a lot easier for people using them."

Fixes #1568

Details

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Review Checklist

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• Does the PR do what it claims to do?
• If this is a new adaptor, added the adaptor on marketing website ?
• If this PR includes breaking changes, do we need to update any jobs in
  production? Is it safe to release?
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  dev only changes don't need a changeset.
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