Metadaten geladen und an der Oberfläche die Suche ausgelöst, sobald
Eingaben da sind (nicht nur Volltext)

Give more space to search results.

added additional metadata fields -> difficulty, education level, status, type, version, format, keywords, requirements

jetzt

Create object for metadata search query.
This object is part of the SearchInputDTO object,
which gets parsed from the JSON file sent by the
front-end.

very inefficient :-) )