SPIKE: evaluate the marc4j API for writer capabilities

Overview

For creating files in marc format, weigh in the pros and cons of using marc4j library.
Looks like there was some time spent on it already for exploring the reader options in https://wiki.folio.org/display/FOLIJET/marc4j+overview.
We might want to look at the writer capabilities

Acceptance Criteria

• The WIKI above is updated with observations
• observations are presented to the team