Add script for exporting questions

(This is part of the work package for the HEALTH-X dataLOFT application)

We need training data for a potential classifier. This could be the questions in the question store.

Write a JS script that exports the questions in CuratedExtendedQuestionStoreService and CuratedAdhdQuestionStoreService to TSV.

Headers: 'ID\tWording Deutsch\tWording Englisch\tAntwort Deutsch\tAntwort Englisch\tAntwort Values\tTags\n'